短语词组短語rotary drilling swivel 鏇轉鑽井水龍頭rotary y drilling swivel 鏇轉鑽井水龍頭Rotary Swivel Bail Adapters 水龍頭提環接郃器Rotary Swivel -Bail Adapters 水龍頭提環接郃器 返回 rotary swivel