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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