material of oil seal的意思|示意
美 / /
英 / /
油封材质
material of oil seal的网络常见释义
油封材质 ... 本体材质 /Material of Body 黄铜（不锈钢材质需特别说明）Brass(Matertal Of Stainless Steel Reed Need Speciat Explain) 油封材质 /Material of Oil Seal ...