短语词组短语Oil pan seal 机油盘密封条;机油盘弥缝条oil film seal 油膜密封Oil shaft seal 油轴封oil -seal torque 油封阻力矩oil l seal 油封Oil Hub Seal 芫华实业有限公司double oil path seal 双油路密封oil filter seal 滤油器密封oil cooler seal 机油冷却器密封 返回 oil seal