5517| 12
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苗間鋤草機(jī),,有什么好得設(shè)計(jì)方案 |
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點(diǎn)評(píng)
關(guān)鍵的是人工的費(fèi)用不高。等人工到每天500元,,而且大家注重除草劑的污染時(shí),,那時(shí)機(jī)械除草就吃香了。
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