mulcher英'mʌltʃə美'mʌltʃəCOCA³¹⁵¹¹¹⁺⁴iWeb⁵⁸⁷⁹¹ 基本例句 表土疏松机¹⁰⁰ This article deals with the design of miniature trailing ridger mulcher, of which the configuration of machine, the design of ridger former, follow-up ridger and lifter were the main design features. 本文论述了小型牵引垄作覆膜机设计的有关问题。其中,方案确定、机器配置、整形器、随垄装置及起落机构的设计,反映了该机的主要特点。 cnki