求翻译：此机变速齿轮带动，圆筒倾斜式翻动，砂在桶内翻滚由筛网中漏出，颗粒砂、铁渣由尾部落出，用此机处理后的砂无颗粒、铁渣，疏松柔和，可用做面砂使用。是什么意思？

This machine gear drive, tilt cylinder turning, barrel rolling in the sand leakage from the sieve, particles of sand, iron slag from the end of a tribe, after treatment with this machine is no grain of sand, iron slag, loose and soft, available make use of surface sand.

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This machine change speed gear impetus, the cylinder incline type change, the granulated substance tumbles in the barrel by the strainer in leaks off, a granule, the iron slag leave by the tail tribe, does not have the pellet, the iron slag after this machine processing granulated substance, loose g

This variable-speed gear driven drum tilt flip, rolling in the sand in the bucket from leaking out of the screen, particles of sand, iron slag by the tail fell off, after treatment with this machine sand without particles, iron slag, loose soft, can be used sand use.

This variable-speed gear driven drum tilt flip, rolling in the sand in the bucket from leaking out of the screen, particles of sand, iron slag by the tail fell off, after treatment with this machine sand without particles, iron slag, loose soft, can be used sand use.