管道安装工作包括：预制加工、安置、对准、焊接和连接。

Piping erection work include: prefabrication, placing, aligning, welding and bolting.

youdao

最简便的安装和友好的操作界面，设备安置无任何特殊要求。

The simplest installation and friendly user interface, equipment placement without any special requirements.

youdao

安装和安置是直截了当的。

Setup and placement are straightforward.

youdao