A. 合金套 B. 干式套 C. 干湿套 D. 湿式套 E. 铸铁套
A. protect the towline from chafing B. secure the end of the towline on the tug C. stop off the towline while retrieving it D. absorb shock loading on the towline
A. 短路、过负荷、接地和欠压释放保护 B. 短路、过负荷、漏电保护装臵 C. 短路、过负