It includes driving shaft, helical spring, key way on the driving shaft, block, front stop unit, back stop unit, etc.

传动 轴、螺旋弹簧、传动轴上的键槽、滑块、前限位和后限位等部分。

youdao

Eighty-two per cent of children wished their parents would stop smoking in front of them at home and 78% wanted their parents to stop smoking in front of them in the car.

BBC: TV ad shows danger of 'invisible secondhand smoke'

The vehicle comes to a stop in front of the freshly dug hole.

NPR: 'The Swallows of Kabul' Book Excerpt

My sisters and I begged my father to follow the limousine...and it finally came to a stop in front of our budget hotel.

CNN: Commentary: When the white glove waved