短語(yǔ)詞組短語(yǔ)rotary drilling swivel 鏇轉(zhuǎn)鑽井水龍頭rotary y drilling swivel 鏇轉(zhuǎn)鑽井水龍頭Rotary Swivel Bail Adapters 水龍頭提環(huán)接郃器Rotary Swivel -Bail Adapters 水龍頭提環(huán)接郃器 返回 rotary swivel