blast draft 强迫，通风 block 毛坯 bloom 胚 board 档板 bond strength 粘合强度 megger 兆欧表 cable saturant 电缆浸渍剂 cabling 线缆，布线 casing 盆，套管；罩 centered 同轴的；同心的 charging up 装料，加漆 clamping ring 锁环，夹环 bakelite(hammers) 胶木（头） broken ends of the band 扎带断头 baby compass 小罗盘 back water pump 回水泵 balanced coil 平衡线圈 ball bearing 滚珠轴承 beam calipers 大卡尺；游标卡尺 beam crane 单梁起重机 beam drill 摇臂钻床 bearing ball 轴承钢珠 bearing bolt 轴承螺栓 bearing iron hinge 轴承铰链 bearing liner 轴承衬，轴承垫片 bearing mounting appliance 轴承装置器 bearing lock nut 轴承锁紧螺母 bearing pedestal 轴承座；轴承架 bearing sleeve 轴承座套 bearing spring 托簧 bed-type milling machine 台式铣床 bench drill 台钻 bench lathe 台式车床 bench miller 台式铣床 bench milling machine 台式铣床 bench-type hand drill 手摇台钻 bimetal heater 双金属加热器 bimetallic thermostat 双金属恒温器 blasting machine 发爆机；起爆机；喷砂机 blasting-tumbling mach
