从理论和实践两个方面概括了应急修理中间轴承的要点。

It theoretically and practically summarizes the gist of emergency repair of tunnel shaft bearing of ships.

youdao

从理论和实践两个方面概括了应急修理中间轴承的要点。

It theoretically and practically summarizes the gist of emergency repair of tunnel shaft bearing of ships.

youdao