短語詞組短語hail -suppression 防雹combined hail -suppression 聯(lián)合防雹Hail -suppression conception model 防雹作業(yè)概念模型Cannon hail -suppression operation technology 高炮人工防雹作業(yè)技術(shù)分析hail suppression with seeding 催化防雹hail suppression program 抑雹計(jì)畫;抑雹計(jì)劃hail suppression by rocky 火箭防雹hail suppression work 防雹作業(yè) 返回 hail suppression