leak proof

同根派生

Please make sure you use leak proof packing.
請務(wù)必用防漏包裝。
The 775QT Series features a modular design which facilitates maintenance and assembly by retaining the spring load. Check modules are threaded into the valve adapter for leak proof operation.
775QT系列特點(diǎn)是模塊化結(jié)構(gòu)，通過保留彈簧負(fù)載簡化維護(hù)和組裝。止回閥模塊通過螺紋旋進(jìn)閥門適配器內(nèi)，提供無泄漏運(yùn)行。
leak proof and reducing resistance technology
防漏降阻技術(shù)
Repair welding of leak proof plate in charging oil vessel
帶油容器加防漏板補(bǔ)焊
Research and Application of the IFW Leak Proof Chemical Pump
IFW型無泄漏化工泵的研究與應(yīng)用