Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experiments did not stimulate any practical stud...
With almost evangelical fervour, Marks warns against deliberately seeking a tan.几乎是凭着一股疯狂的热情，马克斯警告人们不要刻意追求晒成一身古铜色。The Hurricane Center warns people not to take the threat of tropical storms lightly.飓风中心警告人们，不要对热带风暴的危险掉以轻...