单项选择题
A.0.1L/(s·m)B.1.0L/(s·m)C.0.3L/(s·m)D.0.5L/(s·m)
A.发生危险B.发生波动C.时间延长D.搁浅
A.0.1L/(s·m)B.0.2L/(s·m)C.0.3L/(s·m)D.0.5L/(s·m)