plain cut-out

航海及海运专业英语词汇(P3) ... plain conductor 普通导线 plain cut-out 保险丝 plain cut-out 熔丝 ...

航海及海运专业英语词汇(P3) ... plain cut-out 保险丝 plain cut-out 熔丝 plain cylindrical furnace 普通锅炉 ...