这种冲床易于操作.This kind of punch is easily operated.这台冲床能一次冲出四只模子.This punch can strike out four moulds at a time.简要介绍了冲床打 料杆 的调节方法.The adjustment method of press machine stroke of knock - out is briefly introduced....
太极拳组平均练拳期间为9.0±4.4年,对照组则为静态生活者.The TCC group practiced TCC with a mean duration of 9.1±4.3 yrs.火车事故的生活者被火速送到最近的医院.The survivors of the train crash were rushed to the nearest hospital....