硬石膏粉水比例约为A.100g:25mlB.100g:35mlC.100g:45mlD.100g:55mlE.100g:16ml
硬石膏粉水比例约为
A.100g:25ml
B.100g:35ml
C.100g:45ml
D.100g:55ml
E.100g:16ml
相关考题:
复制磷酸盐耐高温材料模型时,最佳粉液比例为 ( )A.100g:30mlB.100g:80mlC.100g:45mlD.100g:5mlE.100g:13ml