393 we are adjusting (installing, checking, aligning , leveling, purging )the equipment.
393 we are adjusting (installing, checking, aligning , leveling, purging )the equipment.
我们正在调整（安装、检查、找正、找平、清洗）这台设备。
393 we are adjusting (installing, checking, aligning , leveling, purging )the equipment.
我们正在调整（安装、检查、找正、找平、清洗）这台设备。