English translation for "双环阀"

double ring valve

Similar Words：

"双环单萜" English translation, "双环道三次线" English translation, "双环的" English translation, "双环丁烯" English translation, "双环二烯烃" English translation, "双环芳香烃" English translation, "双环芳香族化合物" English translation, "双环缝喷嘴" English translation, "双环跟踪" English translation, "双环庚醇" English translation