用“cement retarder”造句大全，cement retarder造句
1、Thepaperstudiesontheprincipaltechnologiesoncoaldesulfurizationandretardantmechanismofcementretarderandactivemechanismofcementmixedmaterial.2、Thepaperintroducesthefieldperformanceofanewkindofoilwel...
用“retarder”造句大全，retarder造句
1、retarderpasteurization2、retardercontrol3、weightproportionalretarder4、manuallycontrolledretarderoperation5、anobstructor;aretarder6、Photoelectriccharacteristicsofliquidcrystalvariableretarder7、...