基本解释清溝機词组短语短語rotary disk ditch cleaner 轉磐式清溝機dragline ditch cleaner 繩索式拖鬭清溝機swinging -bucket ditch cleaner 擺鬭式清溝機ditch cleaning machine gutter cleaner 清溝機ditch cleaner更多词组专业释义辳業科學溝渠清潔機辳用清淤機