Product usage: Suitable for conveying various types of water, gas, natural gas and other fluids and gases.

产品用途：适用于输送各类水、煤气、石油天然气等流体和气体。

youdao

Product usage: Suitable for conveying various types of water, gas, natural gas and other fluids and gases.

产品用途：适用于输送各类水、煤气、石油天然气等流体和气体。

youdao