expansionaryadj.扩张性的
expansionn.膨胀;扩展;扩充
expansion slide valve膨胀导阀
expansion joint cover伸缩接头复盖
expansion soefficient[机] 膨胀裂痕
expansion thermometer膨胀式温度计
expansion temperature膨胀冲程终了时的温度
expansion sleeve bolt撑帽式杆柱,胀壳式锚杆
expansionist policies扩张主义政策
expansion thermometre膨胀式温度计
expansion of function函数展开
expansion of boundary边界拓展