适宜的处理为
A．高位结扎术
B．股静脉瓣膜成型术
C．高位结扎加静脉剥脱、交通静脉结扎术
D．硬化剂局部注射
E．弹性绷带包扎
参考答案：C
CW-200K型轴箱定位装置主要包括轮对组成、轴承组、轴箱定位节点、双圈弹簧组和（）等部分
The Master shall insure that the Emergency Position Indicating Radiobeacon (EPIRB) is（）.
A.secured inside the wheelhouse
B.tested annually
C.tested monthly
D.secured in the emergency locker
