散热器装合后,将散热器于水中,以不大于0.85()的气压试验,不得有跑气现象。 A. 发布时间:2018-05-14 12:21 │ 来源:www.tikuol.com 题型:单项选择题 问题: 散热器装合后,将散热器于水中,以不大于0.85()的气压试验,不得有跑气现象。A.公斤/立方厘米B.千帕C.Mpa
题型:单项选择题 The development of industry has been ______ gradual process throughout ______ human existence, from stone tools to modern technology.A.不填;theB.the;aC.a; 不填D.a; a 查看答案