1、
Moreover is to put forward the optimization for all kinds of chemical reagents.
同时提出对各种化学试剂应优选,并介绍一种新的石油醚透光率的检验方法.
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2、
A test of one's abilities, especially the ability to perform well under pressure.
三日赛能够检验出马的跳跃能力和耐力.
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3、
