安装活塞环时为了防止()需将搭口错开。A.窜气 B.粘着 C.断裂 D.窜油 发布时间:2017-10-14 16:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 安装活塞环时为了防止()需将搭口错开。A.窜气B.粘着C.断裂D.窜油
题型:单项选择题 -What’s wrong with him?--The picture he came across____ his memory of a sad story in his childhood.A.set offB.took offC.gave offD.put off 查看答案