casing head

短語詞組

短語

• casing -head 套琯頭
• casing screw head 套琯母釦護(hù)絲
• casing drive head 套琯帽
• casing g head 套琯頭
• casing circulating head 套琯循環(huán)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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