HeLuanShi system in engineering field, pressure-blasting machine is mechanism sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment.
在工程领域，河卵石制砂机是机制砂、垫层料、沥青混凝土和水泥混凝土骨料的理想生产设备。
In order to replace EPS cushion material, it is necessary to refresh the traditional opinion on the production technologies and methods of the plant fiber foaming and buffer material .
植物纤维发泡缓冲材料要替代EPS发泡塑料，必须在生产工艺等方面更新思路。
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