单项选择题
A.68#抗磨液压油 B.32#变压油 C.L-CKD320 D.L-CKD220
石膏秤皮带的型号是（）A.800X5500MMB.800X1200MMC.100X120MMD.120X100...
单项选择题石膏秤皮带的型号是（）
A.800X5500MM B.800X1200MM C.100X120MM D.120X100MM
灰石库大概到多少米时就断料了（）A.20B.15C.10D.12
单项选择题灰石库大概到多少米时就断料了（）
A.20 B.15 C.10 D.12
灰石库高、宽（）米。A.8X18.2MB.10X12.5MC.8X15.7MD.12X12.5M
单项选择题灰石库高、宽（）米。
A.8X18.2M B.10X12.5M C.8X15.7M D.12X12.5M
