This avoids cluttering up the core content with auxiliary material.
这样可以避免把核心内容与辅助资料混在一起。
This kind of resin composite manhole cover with glass fiber and resin as the basic material, curing agent, accelerator as auxiliary material.
这种树脂复合型井盖以玻璃纤维和树脂为基本材料，以固化剂、促进剂等为辅助材料制成。
C, this series of products work with air as raw material, without other raw and auxiliary materials, the use of low cost.
本系列产品工作时使用空气作为原材料，无需其他原辅材料，使用成本低廉。
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