基本解釋切頭剪詞組短語短語cropping g shears 剪料頭機(jī)cropper cropping shears 剪料頭機(jī)billet cropping shears 鋼坯切料頭機(jī)portable cropping shears 移動式切頭剪crop shear更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)剪料頭機(jī)