搜题请搜索小程序“爱下问搜题”
问题 单项选择题

金属四活塞型加油机计量不准的原因可能不是（）.

A.O形圈失效

B.连接块孔径磨大

C.有异物将流量传感器卡死

D.大铜套与大活塞的间隙磨大，调量杆小，活塞与铜套间隙磨大

答案

参考答案：C

单项选择题

为了增加砖墙抗震能力，在建筑物四角和纵横交接处设置的构造柱沿（）贯通。

A.地面至屋顶

B.基础至楼板

C.地梁至圈梁

D.基础至屋顶
查看答案
选择题

It was from only a few supplies that she had bought in the village _____the hostess cooked such a nice dinner.

A．where

B．that

C．when

D．which
查看答案