该文研制了逆转刀辊与开式推土铲组合的切抛土部件。
A new type of optimum cutting and throwing soil component combining reverse rotational rotor with the blade with open type bulldozer blade was developed.
根据盐田防渗塑膜铺底所需覆土量的技术要求，设计了盐田防渗塑膜铺底专机(简称：盐田铺膜机)的切抛土部件。
According to technical requirements of filming plastic sheet for leakproof saline, a soil cutting and throwing device was developed.
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