precipitation pH降水pH值
precipitationn.仓促;急躁;沉淀;降雨量;坠落;凝结;冰雹
Precipitation enhancement effect增雨效果
precipitation over eastern China东部降水
Precipitation of July and August汛期降水量
precipitation-type gas blister析出型气泡
precipitation-hardening steels沉淀硬化钢
precipitation - air floatation沉淀浮选
precipitation of Xiexin decoction泻心汤沉淀物
precipitation and runoff relation降水和径流关系