机床油压系统过高或过低会造成（）。

A、相关设备工作不正常

B、压力表损坏

C、油泵损坏

D、油压系统泄漏

E、液压油豁度增高

基本语法

1. The American players are                    (更强壮）than the Asian players.

2. In fact the sun is                     (大得多) than the moon.

3. This kind of basketball is                     (最贵的) in our shop.

4. This computer is                     (与……不同) those ones.

5.-Did you two go to the same school?

   -Yes ,he went to                     (同一所学校) as I did.