Railroad promoted the local grain market formation, causes grain this staple commodity to realize the reasonable debugging in interzone.
铁路的开通促进了地区粮食市场的形成，使得粮食这一重要商品在地区间实现合理调试。
The reasons of the formation of defects, split filament and double length fiber during the production of superfine PA staple fiber were analyzed.
在涤纶短纤维加工成形过程中对超、倍长纤维的严格控制是生产技术的关键。
The reasons of the formation of defects, split filament and double length fiber during the production of superfine PA staple fiber were analyzed.
在涤纶短纤维加工成形过程中对超、倍长纤维的严格控制是生产技术的关键。
应用推荐