A.100~150mm B.150~200mm C.200~250mm D.250mm以上
A.15g B.25g C.50g D.100g
A.40mm B.50mm C.60mm D.65mm
A.3天 B.5天 C.7天 D.10天
A.5s~10s B.10s~15s C.15s~20s D.20s~25s
A.30~50kPa B.50~100kPa C.60~100kPa D.100~200kPa
A.1h B.2h C.3h D.4h
A.一層 B.二層 C.三層 D.四層
A.土顆粒組成特征 B.不均勻系數(shù) C.土粒組的分布 D.土的天然稠度
A.六偏磷酸鈉 B.氫氧化鈉 C.草酸鈉