friction-reduction material 减摩材料
noise reduction surfacing material 低噪音铺路物料 ; 环境保护
material capability reduction factor 材料能力下降系数
Reduction of potassium permanganate material 还原高锰酸钾物质
reduction of material consumption 降低材料消耗
material resource reduction 物质资源减量化
material strength reduction 降低材料强度
Sandwich type panel structure, the middle of flame retardant and heat insulation and noise reduction material, has the fire performance of A0 class.
三明治夹层式面板结构,中间加阻燃隔热降噪材料,具有A 0级防火性能。
Long lead-time material for the additional vessels will include diesel engines, water jets and reduction gears.
额外联合高速船的长期材料包括柴油发动机、水力发动机和减速齿轮。
The combination of paper material and printing technology is also expected to lead to a reduction in cost per disc and will expand usage, the two partners said.
两家公司还表示,将纸和印刷技术相结合还能够降低光盘成本,并使其用途更加广泛。
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