试映羊毛采用高纯石英制成，非常适用于进样口衬管。
Quartz Wool was made from high-purity quartz, extremely low in metallic oxide impurities.
所以在每层材料放置好之后，氮氟化物就被泵进工作舱中并分散开来，释放出高活性的氟原子来清洁墙壁。
So after each layer is deposited, nitrogen fluoride is pumped into the chamber and is split to release highly reactive fluorine atoms that clean the walls.
公司高管可以随心所欲地溜达进办公室或会议厅，只要他们乐意，迟到多久都没关系。而蓝领工人们只要犯了类似的错误就会受到惩处甚至被开除。
Senior executives would stroll into the office or into meetings as late as they pleased, but blue-collar workers were penalised or even fired if they committed similar offences.
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