短语词组短語oil drip tray 滴油磐OIL DRAIN TRAY 接油槽oil pan tray 油磐槽oil collect tray 集液槽oil control tray 擋油磐oil drain tray group 排油槽組件crankcase oil tray 油底殼crosshead oil tray 十字頭油槽 返回 oil tray