expandorn.扩张器expandv.使 ... 膨胀；详述；扩张；增加；张开expanded escapement[计] 扩充走路Expanding Enrolment高校扩招expanding apparatus展幅装置expanded metal lath钢板网expanding shoe rack伸长鞋架expanded tube joint胀管接头expanded shale fine膨胀性页岩粉屑expanded value form扩大的价值形式expanding extrusion宽展挤压expandable spreader集装箱可伸缩吊具