查询词典 composition board

Of its light weight, small size, easy to install in the HQ44/45X slightly resistance ball-Like check valve flange between the valve-house by two semi-circular springs and board composition, with the pin fixed to the valve on the valve plate to close the spring deformation, fluid pressure exerted by the spring to open the deformation rapidly, so to protect pipelines from water hammer damage.

其重量轻，体积小，容易安装在法兰之间，阀门内部由两个半圆弹簧和板面组成，用销子固定在阀体上弹簧形变使阀板关闭，流体压力又使其开启弹簧的形变很快，这样能保护管道免受水锤破坏。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。