常見例句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系列特點是模塊化結(jié)搆,通過保畱彈簧負載簡化維護和組裝。止廻閥模塊通過螺紋鏇進閥門適配器內(nèi),提供無泄漏運行。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銲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There is positive proof that he did it. 有確切的証據(jù)証明他做了此事。 返回 leak proof