皮带驱动辊筒前安装有皮带清洁刮板，清除粘结于皮带上的原煤。
This shall erect bell cleanup scrapper in front of belt-drive roller, so that this clean up crude coal adhered onto belt.
为了防止碎土辊在转弯时同主机相刮，牵引点应当足够长。
The hitch pole should be extended far enough to prevent the seedbed conditioner from contacting the host machine during turns.
为了防止碎土辊在转弯时同主机相刮，牵引点应当足够长。
The hitch pole should be extended far enough to prevent the seedbed conditioner from contacting the host machine during turns.
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