查询词典 diamond chisel

From June 1, 2002, except processing trade, the diamond import and export all over the country (see Exhibit 1 for detail varieties) shall go through customs declaration procedures in Shanghai Diamond Exchange collectively, and no other ports shall import or export diamond.

一、从2002年6月1日起，除加工贸易外，全国钻石（具体品种见附件1）进出口统一集中到上海钻石交易所办理报关手续，其它口岸均不得进出口钻石。

If the diamond under processing trade (including processed ornament products inlaid with diamond) in various regions is sold domestically for some reasons, the enterprises shall collectively go through customs declaration procedures in the responsible customs of Shanghai Diamond Exchange.

各地加工贸易项下钻石（包括加工成的成品镶嵌钻石饰品）因故内销，企业须统一到上海钻石交易所主管海关办理报关手续

A stand staffed by 45 traders, cutters and salesmen will show off several million dollars worth of the flashiest stones cut in Antwerp, including a 28-carat rough in the shape of the continent of Africa, a black diamond cut in the form of a mosque, a yellow diamond and a pink diamond whose 8.8 carats will appeal to the Chinese love of the number 8, Mr.

温米琦说，比利时将有45家钻石贸易商、加工商和销售商在这一展览廊参展，他们将展出安特卫普加工的最耀眼钻石，价值数百万美元；其中包括一块28克拉的非洲大陆形状原貌钻石，一块被加工成清真寺形状的黑色钻石，一块黄色钻石以及一块粉红色钻石。

There have been a rapid development in the areas of the diamond resources prospecting, diamond mineralogy and diamond gemology .

在金刚石资源勘探、金刚石矿物学、金刚石宝石学研究等方面，都取得了很大的进展。

In this article, orthogonal method was applied for the experiment of electroplated diamond milling cutter in cutting stone on CNC machine. The influence of processing parameters and the performance of diamond particles on the wear of electroplated diamond tool is studied. The worn surface of tool was analyzed with stereo microscope.

本文采用正交实验方法，对电镀金刚石涂层刀具在数控石材加工中进行试验，研究加工参数和全刚石颗粒性能对电镀金刚石刀具磨损量的影响，并利用体式显微镜对磨损后的刀具表面形貌进行了分析。

Although clad diamond prevent iron family elements from eroding diamond and improve the strength between matrix and diamond, there still are many problems in applying Fe-base formulae. After the adding amount of reinforced elements is determined, the effect of the basic elements of matrix on its comprehensive performance is studied. The results show that while wc content is 15%. Fe/Ni 1: 1, 663-Cu etc 50%, Sintering temperature 920℃, temperature kept time 1. 5 mintues, matrix comprehensive preformance is best.

尽管金刚石表面镀膜隔绝了铁族元素对金刚石的侵蚀和提高了胎体对金刚石的粘结强度，但以Fe代Co还存在胎体的综合机械性能等问题，本文试着从材料学的强化理论出发确定了微量元素的添加量之后，用正交试验设计方法研究了胎体的基本组元WC、Fe/Ni、663—Cu的加入量及烧结工艺对胎体综合机械性能的影响，得出在WC15%，Fe/Ni1：1，663—Cu等其它为50%，烧结温度920℃，保温时间为1.5分时胎体的综合机械性能最优。

By deciphering the natural, historical and cultural mystery concerning night-shining jewel and proposing archaeogeological theory and methods regarding diamond exploration, both for the first time in the international academic communities, and by taking night-shining jewel that was interpreted as large diamond as an example, the author has already demonstrated in 2004 that the history of development and utilization of large diamond in China can be traced back to the period of Emperors Yu, Shun, Yao 4000 years ago, and even further to the period of Emperor Yan 4500 years ago.

通过在国际学术界首次破解夜明珠这一世界性的自然、历史、文化千古之谜和首次创立金刚石考古地质学的理论和方法，以夜明珠就是中国古代巨粒金刚石为例，证明了中国巨粒金刚石开发利用的历史可以一直追溯到4000年前的禹舜尧时期甚至4500年前的神农炎帝时期。

Kyoko Shimamura led a low diamond, ducked to South's jack. But Kazuko Banno played another diamond, so declarer Wang Wenfei won with dummy's ace and led the club queen. North took the ace and tried a third diamond, declarer ruffing and leading the heart queen.

北家低引一个方块，在西家位置的庄家王文霏，用明手的 DA 停住，并且打出梅花皇后CQ，北家CA吃进，试图打第3轮方块，遭到庄家将吃，然后庄家打出红心皇后 HQ

By applying the technologies of diamond brazing and orientation of the diamond grains to the beads' manufacturing, the diamond wire saw can be used in some special area as its high cutting efficiency. And it will have very important meaning to developing wire saw with minor diameter beads as used to cutting precious materials.

其金刚石分布更为均匀，合金烧结密度更加合理；串珠金刚石钎焊技术和金刚石定向排布技术的应用，因其切割的高效率在一些特定的领域得到了很好的推广；小直径串珠的开发成功，对珍贵材料的切割有着十分重要的意义。

Get the lowest prices on diamond wedding bands, diamond post earrings, diamond promise rings, and more.

最低的价格获取钻石结婚戒指，钻石耳环后，承诺钻石戒指，等等。

I was just taking her hand, to help her out of a car, and I knew it.

我只是握着她的手，扶她下车，但我知道这一切。

China and South Korea have excoriated Japan over its approval of new school books which they say whitewash the atrocities committed during Japanese occupation, and anti-Japanese protests have been held in Chinese cities. The lingering bitterness over Japan's past imperialism still threatens to mar relations between the big East Asian powers

中国和韩国强烈谴责日本通过新的中学历史教科书，他们认为这一教科书掩盖了日本在其占领期间所犯下的残酷暴行，反日抗议活动在中国数座城市发生，历史上日本帝国主义制造的痛楚无法被忘却，这有可能破坏东亚强国间的关系。