词汇	impact liner
释义	impact liner 防撞衬垫
随便看	level l ing mechanism levelling method levelling mirror levelling moment levelling motion levelling net levelling network levell ing network level l ing network levelling of degree of polymerization levelling of dye levelling of dyeing levelling of engine bed levelling off levelling-off levelling off degree of polymerization levellingoff dp levelling off dp levelling of foundation plane levellingoff temperature levelling off temperature levelling of income levelling of pumping unit levelling of the heddles levelling out