必要的话，在水罐和泡沫罐上安装一个经校准的定位仪。

If necessary, attach a calibrated site gauge to both the water tank and the foam tank.

youdao

必要的话，在水罐和泡沫罐上安装一个经校准的定位仪。

If necessary, attach a calibrated site gauge to both the water tank and the foam tank.

youdao