Recommended Closing Procedure: Close the cylinder valve tightly using a gloved hand.

推荐的关闭程序: 用戴手套的手紧紧地关闭钢瓶阀门.

互联网

Recommended Closing Procedure: The diaphragm valve can be difficult to close.

推荐的关闭程序: 隔膜阀的关闭是比较困难的.

互联网

Recommended Closing Procedure: Close cylinder valve tightly using a gloved hand.

推荐的关闭程序: 用戴手套的手紧紧地关闭阀门.

互联网