The cylinder loads mutual lock safety device; the cylinder unable to install, if the switch has not turned off, and on the "on" position.

气瓶装入互锁安全装置；开关未关旋钮处于开的位置气瓶将无法安装。

youdao

At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.

在下班或工作日结束的时候，关闭钢瓶阀门，放出调整器和吹管设备内的压力。

youdao

Tilt of the cylinder was cut off to form oval-shaped cross-section, in the building to see the scenery will also appear a variety of contours.

倾斜的被切断的圆筒形成椭圆形的断面，在建筑中看到的风景也会出现各种各样的轮廓。

youdao

The game is played with 49 glass or ceramic marbles grouped together on a 2m-diameter concrete cylinder raised 7cm off the ground and covered in sand.

BBC: Knuckle down at England��s World Marble Championships

When they hit the electric field at the end of the cylinder, they bounce off it, spiral back towards the entrance, where they run into matter, and annihilate.

ECONOMIST: Antimatter