短語(yǔ)詞組短語(yǔ)upper elastic limit 彈性上限Upper modified limit 修正界限上限upper acceptance limit 接收上限upper high limit 上限upper magnitude limit 震級(jí)上限upper mining limit 回采上限upper closed limit 上閉極限UCL Upper Central Limit 管制上限;管制上upper air limit 高空航限 返回 upper limit