下述各项表示气缸注油率适中的特点中正确的是()。 A.缸套表面干燥 B.活塞环带区黑 发布时间:2018-09-24 06:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下述各项表示气缸注油率适中的特点中正确的是()。A.缸套表面干燥B.活塞环带区黑色沉积物多C.十字头机,停车后缸壁有油滴D.活塞环外面表面光亮,侧角尚存
题型:单项选择题 根据所给汉语提示完成句子。1. Who is the _______ (最有趣的), Sandy, Tom or Kim?2. He _______ (想起) of his best friend when he read the report.3. They are _______ (肯定) pleased with the players.4. The telephone is ringing, Amy, help me _______ (接) it.5. Do you like your trip? Is it _______ (令人愉快的). 查看答案