英语词汇“non return trap”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	non return trap
释义	non return trap un.止回汽水阀
随便看	Twos and threes two sandwiches short of a picnic two-sashed window two-satellite positioning Two sauces are served with the meat course two-sbift system two-SBR twoscale two scale two-scale two scale equation two-scale equations two-scale finite element two-scale fluctuation two-scale frequency meter Twoscale goby two-scale matrixes two-scale matrix symbol two-scale method two-scale model two scale notation two-scale notation two-scale relation two-scale sequence two-scaling similarity transform