单项选择题X 纠错
A.1% B.2% C.3% D.4%
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单项选择题
A.1km B.3km C.5km D.10km
A.环刀法 B.钻芯法 C.灌砂法 D.沉降观测
A.0.01 B.0.02% C.0.03% D.0.05%
A.1% B.2% C.3% D.0.5%
A.8mm B.12mm C.15mm D.20mm
A.-8mm,≥-20mm B.-10mm,≥-20mm C.-15mm,≥-25mm D.-10mm,≥-25mm
A.30cm B.40cm C.50cm D.60cm
A.1/3-1/2,20-40cm B.1/3-1/2,30-50cm C.1/4-1/2,20-40cm D.1/4-1/2,30-50cm
A.1/4 B.1/3 C.1/2 D.2/3
A.1.0-2.0 B.1.0-2.5 C.1.5-2.5 D.2.0-3.0
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