通气、止血、包扎、固定、搬运
A.20mm B.15mm C.2mm D.1mm
A.5cm B.10cm C.15cm D.20cm
A.单斜构造 B.褶皱构造 C.断裂构造 D.双斜构造
A.0.7m B.0.8m C.1mm D.1.9m
A.9 B.10 C.11 D.12
A.对接 B.错接 C.混接
