The Bourdon - type pressure gauge is more convenient for most purposes than a liquid manometer.在很多情况下,使用鲍敦式压力计要比液体压力计更为方便.Yeast is a single - celled organism complex to study for initial screening purposes.选择酵母是因为酵母是单细胞生...
Too bad he used his intelligence for criminal purposes.他把聪明都用在了犯罪上，太可惜了。For all practical purposes the treaty has already ceased to exist.实际上协议已经不复存在。They emphasised that their equipment was for peaceful and not military...