vicat造句
testingmethodforvicatsofteningpointofthermoplasticsDeterminationofvicatsofteningtemperatureforunplasticizedpolyvinylchloride(PVC-U)pipesandfittingstestingmethodforsettingtimeofhydrauliccementbyvicatne...
testingmethodforvicatsofteningpointofthermoplasticsDeterminationofvicatsofteningtemperatureforunplasticizedpolyvinylchloride(PVC-U)pipesandfittingstestingmethodforsettingtimeofhydrauliccementbyvicatne...