在螺丝上加垫片用英文怎么讲
问题描述：
在螺丝上加垫片用英文怎么讲
椅子的扶手上有螺丝固定,我们想在螺丝和扶手中间加垫片,应该怎样描述呢?
add a washer at the screw for arm
add a washer between screw and arm
我觉得这两种句型都有点怪怪的,
答
The arm of the chair is fixed by the screw,we plan to add the washer between the arm and the screw for fasten the screws.