查询词典 seal

With the clue of the "Chinese Seal",the agelong and profound Chinese seal culture is firstly introduced in the paper,then contacting with the jewelry,that the seal is one of the ornaments in the ancient is stated.

以奥运徽宝之中国印为线索，首先介绍了悠久而深远的中国印文化，继而与珠宝首饰相联系，阐述了印章是中国古代的佩饰之一，探求了中国印对现代首饰设计的启迪。

Passing to diagnosis adopt coal machine framework oil seal leak oil,and the framework oil seal leak to oil contain two kinds of forms,a kind is in the bore and coalescence to leak the oil;a kind is an oil seal lips the and axis of revolution sport leak the oil.

通过对采煤机骨架油封处漏油的诊断，骨架油封处漏油有 2种形式，一种是在孔座与接合面处漏油；一种是油封唇口与旋转轴运动漏油。

2 For the low-pressure seal test and high pressure sealing test, does not allow visible leak through the valve flap, the back seat and shaft seal, there is no structural damage (elastic seat and seal surface deformation is not considered as structural damage).

3.9.2对于低压密封试验和高压密封试验，不允许有明显可见的泄漏通过阀瓣、阀座背面和轴密封，并无结构上的损坏(弹性阀座和密封面的塑性变形不作为结构上的损坏考虑)。

Rely on Germany advanced production technology and optimized designing ,we have developed five Directory ,more than 30 series and 800 specification in mechanical seal, packing seal, Gasket board, rubber seal and Auxiliary sealing system.

公司通过依托德国先进的生产工艺，科学优化的设计，现以开发形成了五大类别，三十多个系列，八百多种规格。

Expeller seal combined with packing seal and mechanical seal are adopted to prevent slurry from leakage

可靠性设计，保证了整机平均无故障工作时间大幅度提高

Mechanical seal supplied with high pressure sealing water is recommended when the slurry pump is installed in series (two stages and above tow stages).and the expeller seal combined with packing seal is used when the pum is installed in single-stage.

对于多级串联采用填料加副叶轮组合式密封，二级和二级以上轴封水最低压力一般为：Pn=其中n≥2；Hi为等i级泵扬程；Hn为第n级泵扬程。对采用机械密封，各级泵的轴封水压力一般要求比泵出水口压力大0.1MPa。

This paper analyzed and summed up the flexible seal structure, seal working mechanism and application field, analyzed the key part with finite element analysis in snubbing service , as follows:Introduced on the composition and working principle of the on-off flexible seal system in snubbing service.

本文主要对井口防喷密封装置的柔性密封结构、密封工作机理及其控制方法进行分析和研究，对带压作业防喷装置重要零部件进行了静力学有限元分析，主要包括以下几个方面：阐述带压作业系统组成与工作原理。

Design accord with API 6A Norm; Body of valve with valve lids, Flashboard with valve set according to needs adopt metal with metal seal up or nonmetal seal up, Valve rod and valve lid between with fall seal up convenient for valve bring press replacing valve stem packing, Dense cover built-up welding hard alloy,Endures cauterization, Endures impact.

设计符合 API 6A 规范；阀体与阀盖、闸板与阀座根据需要采用金属与金属密封或非金属密封，阀杆和阀盖间设有倒密封便于阀的带压更换阀杆填料，密封面堆焊硬质合金，耐腐蚀、耐冲击。

In seal cutting art, man of letters seal school has been that seal cutting art has poured new blood seal in , has produced and important effect.

在篆刻艺术中，文人流派印章为篆刻艺术注入了新鲜的血液，并产生了重要的影响。

Based on the seal mechanism, the sealing conditions of the three migration pathways are analyzed in this paper: the seal on a fault rock zone without adhesive power is dependant on the content of fault mud; the seal of an associated fracture inside a crushed zone is dependant on the relationship between the section pressure and fragile strength of the fault gouge; the seal quality of an induced fracture zone is controlled by the quantity of later rock-forming fill.

基于这种封闭机理，分析了3种通道封闭的条件：无粘结力断层岩带是否封闭取决于断层泥含量大小；破碎带内部伴生裂缝的封闭性取决于断面压力和断层泥塑性强度关系；诱导裂缝带封闭程度受控于后期成岩充填的程度。

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。