在实验室试验中，关闭阀经受住几千次安装试验。
The Block Valve has been put to trial in laboratory tests as well as thousands of installations.
在浙江温州有着中国泵阀之乡之称的永嘉瓯北和中国阀门城之称的龙湾，其分布着上千家的阀门企业。
Wenzhou in Zhejiang, China valve village has said the Yongjia Oubei and China valve City said the Bay, the distribution of thousands of the valve business.
对液压千斤顶内部组件的独特设计，实现了阀芯完全打开后，使得气体无阻碍的通过。
To the hydraulic jack interior module's unique design, after having realized the valve core opens completely, causes the gas free from obstacle passing.
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