sprue造句
"directgate,spruegate"sprue-runner-gatearearatioTheholeyouseeisthesprueholeforthetailstock,thepulley'ssprueisnotvisibleinthepicture.Withmymeasuringequipment,Icheckedthesprueandrunner.Thedesignandth...
"directgate,spruegate"sprue-runner-gatearearatioTheholeyouseeisthesprueholeforthetailstock,thepulley'ssprueisnotvisibleinthepicture.Withmymeasuringequipment,Icheckedthesprueandrunner.Thedesignandth...