spade farm 中文意思是什麼
spade farm
解釋
小園地-
Spade is the type of farm machine operator. many moulding - making method were tested in the research. common bi - spade, plain bi - spade and half - sweeps shovel ? solid mouldings were built
以鏟式部件為農機工作部件的代表,嘗試了各種鏟式部件的造型方法,建立了雙翼平鏟、雙翼通用鏟、單翼平鏟的實體模型。
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