To the wind the prevention: early spring old bark, winter destroy sunflower, corn testament, spray pesticide plant high-efficiency.
防治法：早春刮去老树皮，冬季毁灭向日葵、玉米遗株，喷洒高效低毒农药。
The electrostatic precipitator of sulphuric acid plant needs high dust collection efficiency, excellent sealing, and better electrical and thermal insulation to meet high concentration dust.
硫酸电除尘器处理的烟气含尘量高，要求有较高的除尘效率、良好的密封性、较好的绝缘性和保温措施。
Method: High efficiency liquid phase chromatography and plant tissue culture were applied.
方法：采用高效液相色谱法和植物组织培养的方法。
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