The key to improve roving quality lies in reducing weight unevenness and improving yarn evenness.
提高粗纱质量的重点是降低纱的重量不匀率，提高粗纱条干的均匀度。
The performance of FA326 type drawing frame is advance and its automation is high, which can improve effectively quality index such as yarn irregularity, weight unevenness etc.
FA326型并条机性能先进，自动化程度高，可有效地改善并条的条干不匀率、重量不匀率等质量指标。
In order to improve the ride comfort of off-road vehicles, the relation between the quarry terrain unevenness and the wheel jumping estimation were researched.
为提高越野汽车的平顺性，研究了典型越野路面不平度与车轮跳离路面量间的关系。
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