Background From Layer ; Layer From Background ; Bair conditionerskground From Layer ; BackgroundShineLayer
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双语例句
1
硅溶胶型壳的面层和背层对硅溶胶和耐火粉料的要求是不一样的。
The requirements for silica sol and refractory powder for mold shell in face layer differ from that in back layer.
2
本发明公开了一种合金镀层轴瓦，包括依次设置的钢背层、基底层、镍栅层和减摩层。
The invention discloses an alloy coating bushing which comprises a steel backing layer, a substrate layer, a nickel grid layer and a friction-reducing layer which are sequentially arranged.
3
试验考察了硅溶胶精铸型壳的背层浆中加入高温焙烧易挥发性添加物对精铸件重量及其分布的影响。
The effects of additive in the silicasol back coating slurry on the weight of investment castings are investigated.
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