The substitution of organic matter, grass fiber and rice chaff with low price and high quality for turf lowers cost.
大量使用价廉质优的有机物料、草纤维及砻糠来替代泥炭，降低了成本；
The crashworthiness of grass fiber reinforced epoxy tubes as collision bumper is studied and a comparison of absorption property with aluminum alloy tubes is made.
研究了玻璃纤维增强环氧圆柱管作为缓冲装置的撞击吸能特性，并与铝合金圆柱管的吸能特性进行比较。
The crashworthiness of grass fiber reinforced epoxy tubes as collision bumper is studied and a comparison of absorption property with aluminum alloy tubes is made.
研究了玻璃纤维增强环氧圆柱管作为缓冲装置的撞击吸能特性，并与铝合金圆柱管的吸能特性进行比较。
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