The correlation between the overlapping number of cotton flock and the process parameters such as effective length of delivery of detaching roller, spun fiber length etc. are discussed.

探讨了分离罗拉的有效输出长度、所纺纤维长度等参数与棉丛叠合层数的关系。

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At the same time, a pinch-roller is installed to ensure a smooth delivery of the copper rod.

同时安装有主动牵引装置，保证铜杆的顺利导出。

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At the same time, an pinch-roller is installed to ensure a smooth delivery of the copper rod.

同时安装有主动牵引装置，保证铜杆的顺利导出。

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In some parts of the city, hawkers, newspaper delivery boys, roller-skaters, even those who carelessly kicked a tin can down the street were targeted.

BBC: The dark side of silence