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式开启

式开启

式开启

式开启

2

There are various models. Handle type has single handle and double handle . Opening ways have spin , press , automatic sense etc.

手柄有单柄式和双柄式，开启方式有旋转式、按压式、自动感应式等几种。

3

Restoration and improvement research of transmission mechanism for Swing Bridge

平转式开启桥的传动机构复原与改进研究

4

The use of rubber for the core of the tap to open the cast iron spiral tap , and now has basically been eliminated ;

使用橡胶芯的水龙头多为螺旋式开启的铸铁水龙头，现在已经基本被淘汰；

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