从国外进口的大吨位起重机上均配置安全负荷指示器进行安全装卸的自动控制。

Imported large cranes are equipped with safe load meter to ensure automatic control over safe handling.

youdao

从国外进口的大吨位起重机上均配置安全负荷指示器进行安全装卸的自动控制。

Imported large cranes are equipped with safe load meter to ensure automatic control over safe handling.

youdao