可以使用电子俘获型检漏仪或NF3点检漏仪.An electron - capture type halogen leak detector or an NF 3 point detector can be used.论述了MICROCORR6相关检漏仪的相关原理,频谱分析原理,并列举实例佐证其应用效果.This paper introduces the operating principle of MICROCORR 6 correla...
Conditionals are used to about possible, imaginary or impossible conditions.条件句用于谈论有可能的 、 想像的或不可能的状况.Macros containing conditionals will automatically update their visual feedback as appropriate during play.宏中若有条件式存在时,会依...
The name Sahara conjures up images of a desert of aridity."撒哈拉"这个名字使人想起干旱的沙漠情景....the great nomadic tribes of the Western Sahara.西撒哈拉伟大的游牧部落...the barren wastes of the Sahara.贫瘠的撒哈拉沙漠The Sahara Desert is a natural barrie...