protective aids中文什么意思

防护辅助器具

例句与用法

Thermo protective aids , radar reflectors , rescue quoits , buoyant lines , dippers , sea anchors , oil cans , waterproof electric torches , paddles , oars , rowlocks , hatchets , brass hooks , lifeboat matches , life raft cradles , line throwing apparatus , hydrostatic release units , compasses , flares , and more . .
保温用具雷达反射器救生浮环浮索饮水罐海锚油箱水密电筒桨桨叉铜拖钩手斧抛绳枪烟火信号防风火柴筏架静水释放器磁罗径口哨