Watch the spreads i . e. don't be bullish if inverses are narrowing.注意多空套做. 也就是说假如顺好在加大不要看多.A crude oil slick quickly spreads out over water.原油泄露后的浮油很快在水面上扩散开来。A scene of prosperity spreads out before us.一种欣欣向荣的景象展现...
The water increases the activity of the catalyst, and the isooctanol improves of the catalyst greatly.微量水分的存在对催化剂的活性有很大促进作用.The device which has high real - time character improves the reliability of the switch - disconn...