A.水加土粒質(zhì)量 B.水質(zhì)量 C.土粒質(zhì)量 D.土粒比重
A.100mm~200mm B.150mm~300mm C.200mm~300mm D.300mm~500mm
A.5mm~20mm B.10mm~25mm C.15mm~30mm D.20mm~35mm