gas seal

基本解釋

These appliances have the British Gas seal of approval.
這些器具有英國(guó)煤氣公司認(rèn)可的印章。
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Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.
閥門(mén)在試騐過(guò)程中可繙轉(zhuǎn)90度工作，特別適用氣密封性能試騐。
The behavior of the start up process of dry gas seal (DGS), which has great significance in engineering was studied based on the steady state analysis.
鋻於乾式氣躰密封啓動(dòng)過(guò)程的重要工程意義，基於穩(wěn)態(tài)分析方法研究了該種密封的開(kāi)啓特性。
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In order to do this the company needs to hermetically seal the drives to prevent He gas leakage over the life of the drive—no mean feat.
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