整体式滑动轴承，当轴套与座孔配合过盈量较大时，宜采用()压入。

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A、套筒

B、敲击

C、压力机

D、温差

答案

参考答案：C

选择题

We must do something to _____ the factories sending out poisonous gases so as to keep the

city_____. [ ]

A. keep; being polluted

B. keep; from being polluted

C. prevent; being polluted

D. prevent; from being polluted

单项选择题

青年女性，经期下腹疼痛，超声见盆腔囊性肿块，最可能的诊断为（）

A.子宫内膜肌腺症

B.纵隔子宫

C.输尿管囊肿

D.巧克力囊肿

E.畸胎瘤