coincidence tube 符合管
coincidence-blocking oscillator 重合间歇振荡器
coining machine 压币机
coining mill 压花机
coining press 精压机
coir broom 椰子皮扫帚
coir brush 棕刷
coir fibre mattress 椰壳纤维垫
coir fibre rope 椰壳纤维绳
coir fibre 椰壳纤维
coir hand brush 椰子皮手刷
coir mat 棕席
coir mattress 棕垫
coir rain cape 蓑衣
coir rope 棕绳
coir yarn 椰壳纤维纱
coir 椰壳纤维
coke booster 撒焦器
coke burner 炼焦炉
coke car 熄焦车
