润滑油（脂）具有润滑、冷却、冲洗、密封、减振、保护、卸荷等作_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题判断题

润滑油（脂）具有润滑、冷却、冲洗、密封、减振、保护、卸荷等作用。

答案

参考答案：对

选择题

He said he _____ work for that boss the next year.

A. went to
B. was going to
C. would going to
D. has worked

单项选择题

连接GGSN与HLR的接口为（）。

A.Ga

B.Gc

C.Gd

D.Gf