因此，新油运行初期必须对齿轮泵沿线进行经常性的检查。

Therefore, the new oil early operation must be along the gear pump for regular inspection.

youdao

因此，新油运行初期必须对齿轮泵沿线进行经常性的检查。

Therefore, the new oil early operation must be along the gear pump for regular inspection.

youdao