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Terms for subject Oil / petroleum containing 筒瓦 | all forms
ChineseEnglish
卡瓦打捞筒slip socket
卡瓦打捞筒bowl slip-socket
卡瓦打捞筒锥形座slip socket bowl
双套卡瓦打捞筒double-slip casing bowl
可循环泥浆卡瓦式打捞筒circulating slip socket
碗形卡瓦打捞筒overshot with bowl