痴呆的

To avoid this discharge, install a spring-loaded, rubber seated check valve ahead of the backflow assembly.

为了避免这种排放，要在防回流阀总成前面安装一个弹簧驱动、橡胶阀座的止回阀。

Employers found to have occupational taboos or there is with the occupation-related health damage to workers, should be promptly removed from the original work and properly rehoused.

e%t RC0用人单位发现有职业禁忌或者有与所从事职业相关的健康损害的劳动者，应当将其及时调离原工作岗位，并妥善安置。