rod dope

inside ... mold dope 脱模剂 rod dope 钻杆涂料 in innermost interior into within outside [七国语言]英汉公共大词典 ...

内涂层钻杆,internal... ... ) drill pipe bore 钻杆内孔 ) rod dope 钻杆涂料能> ) internal coating drill pipe 内涂层钻杆 ...