短語(yǔ)詞組短語(yǔ)rotary disk ditch cleaner 轉(zhuǎn)盤式清溝機(jī)dragline ditch cleaner 繩索式拖斗清溝機(jī)swinging -bucket ditch cleaner 擺斗式清溝機(jī)ditch cleaning machine gutter cleaner 清溝機(jī) 返回 ditch cleaner