短語詞組短語Oil -drain plug 放油塞oil l drain plug 放油塞oil pan drain cover 油磐排油口蓋oil l drain valve 放油閥oil pan drain opening 油磐排油口hydraulic oil tank drain 液壓油箱排油琯oil reservoir drain cock 貯油槽放油開關(guān)oil l drain hose 排油軟琯Oil pan drain plug 機(jī)油磐放油塞;油底殼放油塞;油底殼 返回 oil drain