特殊用法clod clearer1.土块清除器land clearer1.松土除草中耕机pipe groove clearer1.活塞槽清洁器plush clearer1.绒辊； 绒板清洁器scrub clearer1.灌木切除机track clearer1.(割草机的)拨草板； 排障器tree clearer1.灌木切除机