河北省东光县宏雨纸箱包装机械厂是一家专业生产纸箱设备、印刷设备的企业。
Great rain cardboard box in east light county hebei packing machine factory is a professionproduces a cardboard box equipments the printing equipments of business enterprise.
对用液氮消过冷雾和冷云催化增雨作业的宏、微观条件进行比较，找出其异同点。
Macro and micro physics conditions of supercooled fog dissipation operation using liquid Nitrogen with that of the cold cloud seeding are compared.
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