pocket type plate [电] 袋式极板 ; 有极板盒式极板
pocket type air sampling instrument 袖珍空气取样仪
pocket type switch 组合开关
pocket type dial test indicators 袖珍型杠杆百分表
pocket type ionization chamber 袖珍型游离腔
step pocket type 阶梯袋式
pocket-type can 矮型罐
pocket type design 袖珍型设计
pocket type dosimeter 袖珍型剂量计
应用推荐