needle felt

基本解釋

C/C composites were prepared by needled felt with fibre volume fraction of 40%, 30% and 25% densifying through chemical vapour infiltration for three times.
以40%，30%和25%3種不同纖維體積分數(shù)的針刺整體氈為坯體，經3次化學氣相浸滲后制備C/C復合材料；
This article analyses influence of heat setting process on abradability and air permeability of batt-on-mesh needled felt.
分析熱定型工藝對底網(wǎng)針刺植絨毛毯耐磨性和透氣性等的影響。
To keep up with the market demand, weftless needled felt, geotextiles and woven compound geotextile are developed. The article compares the physical, mechanic and hydraulic features of these products.
根據(jù)市場需要，相繼開發(fā)了無緯有基土工布、無基土工布及機織復合土工布，并對這三類產品的物理特性、力學特性及水力特性進行了測試比較。

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