casing head

短语词组

短語

• casing -head 套琯頭
• casing screw head 套琯母釦護絲
• casing drive head 套琯帽
• casing g head 套琯頭
• casing circulating head 套琯循環接頭
• Humate additive for casing -head mud 腐殖酸鑽井泥漿添加劑
• cement casing head 水泥頭;注水泥套琯頭
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