... water oil- proof c 固控系统耐油电缆 water-proof course防水层 WATER-PROOF MOTOR 防水电机 ; 防水式电动机 ; 防水型电动机 ...
双语例句
1
NAUI Advanced Open water Diver or equivalent. For this course, equivalency is proof of certification beyond entry level with experience in deep diving and underwater navigation.