“压铁”造句

下列插图是一些常见的杠杆和压铁位置.
Illustrated below are some commonly accepted positions of the lever and weight.

安装杠杆和压铁有助于阀瓣的关闭.
Lever and weight mounted to assist the disc in closing.

配置杠杆和压铁是为了在外部控制阀瓣运动.
The lever and weight arrangement is used to maintain exterior control over disc movement.

• #压铁