RM80清筛车的液压油线隙式滤清器安装在液压泵的（）路上。
A、回油管
B、输油管
C、吸油管
D、压油管
参考答案：D
Several months later, he found his deskmate very difficult _____. [ ]
A. to get along with
B. getting along with
C. to get along
D. to be gotten along with
防水工程刚性防水质量要求是什么
