例如：用深井泵或潜水泵直接从地下取水的用户供热系统锅炉变频定压补水系统。

For example: Diving deep-well pump or pump water directly from the ground floor of the boiler heating system users frequency constant pressure replenishment system.

youdao

本产品用于深井电机、潜水泵、地下电缆等安装设备材料。绝缘防水、防潮、包扎后不开口，不脱落等特点。

This product has the characters of water and damp proof, inflexibility. It is the necessity of installing underwater electromotor and pump, and underground cables.

youdao

本产品用于深井电机、潜水泵、地下电缆等安装设备材料。绝缘防水、防潮、包扎后不开口，不脱落等特点。

This product has the characters of water and damp proof, inflexibility. It is the necessity of installing underwater electromotor and pump, and underground cables.

youdao