Used for foundations supporting: bridge construction, buildings and ship building, etc.

适用于基础建设作业中，如桥梁建设、建筑、船舶建设等。

youdao

Used for foundations supporting: bridge construction, buildings and ship building, etc.

适用于基础建设作业中，如桥梁建设、建筑、船舶建设等。

youdao