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9 During the process of sweeping with air or steam, a piece of white cloth or a target plate painted in white shall be used at the exit, if no rust or other impurities occurs on the target plate, the air sweeping is deemed to be satisfied.

8.2.9 管道系统在空气或蒸汽吹扫过程中，应在排出口用白布或涂白色油漆的靶板检查， 5 min 在内，靶板上无铁锈及其他杂物为合格。

The light which still shone was derived mainly from a large hole in the western bank of cloud; it was like a piece of day left behind by accident, dusk having closed in elsewhere.

虽然夜晚快要降临了，但是气味难闻的野草的花朵，却光彩夺目，仿佛听得入了迷面不能闭合了，颜色的波浪和琴音的波浪，相互融合在一起。

But the real meaning of original diploma is a piece of paper to prove that someone received a number of years of theoretical knowledge training, that's all ...

本来文凭的真正意义不过是一张纸，证明某人接受过若干年的理论知识培训，如此而已。。。。

I drew a dragon on a piece of yellow paper.

我在一张黄纸上画了一条龙。

This isn't a piece of drainage pipe with a filter on the end.

这不是一块排水管过滤就结束了。

Using stiffness equivalent theory of elastic mechanics,this paper simplifies the complex fiber reinforced plastic pavement deck to a piece of material well-proportioned orthotropic deck,and builds the elastic equivalent model,so as to put forward a kind of simple and canonical method for such problems.

利用弹性力学的刚度等效原理，将结构复杂的复合材料路面板简化为材料均匀的正交异性板，建立弹性等效模型，为此类问题的具体分析提供一种简明规范的方法。

Imagine that you have a piece of wood and a number of metal pins comes out from it randomly,and you picked up an elastic rubber ban

想象一下，你有一块木头和金属针数出来从中随机，你买了一个弹性橡胶带和公开，用您的手广泛，包含所有的金属针，让它去你会发现，弹性橡胶带将萎缩，在金属引脚的松紧带外节单元，这些形式的凸包

Step 2: Even-numbered students each receive a piece of paper with a different English sentence written across the top.

第二步：奇数学生每人拿到一张在最上方写有不同英语句子的纸；偶数学生每人拿到一张在最上方用母语写成的句子的纸。

Another benefit of leather anklets is that they offer a piece of quality jewelry for a great price.

皮革脚链的另一个好处是他们提供优质的珠宝价格为一个伟大的一块。

Another benefit of leather anklets is that they offer a piece of quality jewelry for a great price.

另外一个好处皮革脚鍊是，他们提供了一块品质珠宝为一个伟大的代价。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。