短語(yǔ)詞組短語(yǔ)vacuum magnetic heat treatment 真空磁場(chǎng)熱処理vacuum m heat treatment 真空熱処理vacuum chemical heat treatment 真空化學(xué)熱処理vacuum m heat treatment furnace 真空熱処理爐vacuum heat treatment furnace 真空熱処理爐Vacuum heat treatment equipment 真空熱処理設(shè)備nice vacuum heat treatment 真空精密熱処理vacuum heat treatment technology 真空熱処理技術(shù)After Vacuum Heat Treatment 經(jīng)真空熱処理後 返回 vacuum heat treatment