Based on the demand, the ultrasonic radiation surface can be laid underside the launder slot or on the side face or on the peak face, it is quite agility.
安装布置灵活，根据需要超声辐射面可布置在清洗槽的底面，侧面或顶面。
2
This article, based on the demand of the Shanghai natural gas market, analyses town gas peak-shaving.
根据上海市天然气各阶段需求量的预测，作者分析了上海城市燃气的调峰。
3
It has carried on the investigation to the performance of CPP (Critical Peak Price) in the world and explained the implementation prerequisite and demand of CPP.