机动车涉水后,驾驶人要间断轻踩制动踏板,以恢复制动效能。
参考答案:对
下列哪项不符合恶性组织细胞病的血象特点()
A.全血细胞减少
B.贫血进行性加重
C.血小板数多数下降
D.可见幼粒细胞、幼红细胞及小巨核细胞
E.浓缩血涂片可提高异常组织细胞检出率
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the().
A.distress position
B.spoken words "Mayday,Mayday,Mayday"
C.ship's name
D.ship's call letters