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英语翻译The secondary resistances are independent of the length

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英语翻译
The secondary resistances are independent of the length of the belt conveyor and are constant [5].With long distances
between axes,their significance declines compared to motion resistances distributed across the conveying track - the
primary resistances.If the proportion of secondary resistances within the total number of resistances is low,a general
assumption Is permissible.The total sum of the secondary resistances is taken into consideration by the coefficient C [5].
Fig.1:
Belt conveyor with existing motion resistances [9]
Special resistances Fs
Special resistances are resistances which do not occur with all belt conveyors.These are especially the vertical resistance of
idlers,friction resistances outside feeder stations and resistances of the equipment used for feeding the bulk materials.
英语翻译The secondary resistances are independent of the length
次要阻力与传送带的长度无关,它是常数【5】,与长距离传送带的运行阻力(主要阻力)相比,它的影响小得多,如果次要阻力占总的阻力的比例小的话,可以把它列为常数C【5】,
图;1
传送带的目前阻力【9】
特定阻力Fs
特定阻力不是所有传送带都存在,它指的是重锤轮(浮动大滚轮,用于保持传送带绷紧)的阻力,供料站和供料设备的摩擦力,