When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。
In order to acquire a good hermetic seal between the diaphragm and the base plate, two sealing methods were used, namely, compound method and crystallite method.
研究了复合法和结晶法两种封接方式，使陶瓷基座与膜片达到良好的匹配封接。
The tie in segment of the diaphragm wall is connected using pre reinforced concrete pile. The foundation strata of two shield well is also reinforced by deep mixing piles in order to seal water.
地下连续墙接头采用预制钢筋砼接头桩连接止水，两端头井辅以深层搅拌桩加固地基。
The tie in segment of the diaphragm wall is connected using pre reinforced concrete pile. The foundation strata of two shield well is also reinforced by deep mixing piles in order to seal water.
地下连续墙接头采用预制钢筋砼接头桩连接止水，两端头井辅以深层搅拌桩加固地基。
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