單項選擇題
A.3km B.2km C.1km
A.礫石含量 B.含水率 C.含泥量
A.風化軟弱顆粒含量 B.級配 C.含水率
A.95% B.98% C.99%
A.80% B.90% C.95%
A.1m B.1.5m C.2m
A.5t B.10t C.20t
A.0.5m~1mB.1m~1.5mC.1.5m~2m
A.0.1m~0.2m B.0.3m~0.5m C.0.5m~0.8m
A.≥2m/hB.≥3m/hC.≥5m/h
A.5% B.10% C.15%