短語詞組短語rotary drilling swivel 旋轉(zhuǎn)鉆井水龍頭rotary y drilling swivel 旋轉(zhuǎn)鉆井水龍頭Rotary Swivel Bail Adapters 水龍頭提環(huán)接合器Rotary Swivel -Bail Adapters 水龍頭提環(huán)接合器 返回 rotary swivel