词汇	蜗杆蜗轮
释义	蜗杆蜗轮 worm and wormwheel
随便看	the third child or brother the third China the third choice the third class the third class fruit-tree the third class hospital The third class of fault the third colleges The third column calculates Big Mac PPPs the Third Committee of UN General Assembly The third condition is air the third consumption the third coordinate is elevation The third coordinate is elevation the third corner the third country the third crisis in mathematics the third cross The Third Culture the third day the third decimal place the third degree the third degree atrioventricular block the third department The Third Development