One explanation for the trend to more superhot fires is that the region, which usually has dry summers, has had significantly below normal precipitation in many recent years.
对于超高温火灾增多的一种解释是,该地区夏季通常很干燥,近年来降水量明显低于正常水平。
When China’s demand for raw materials surged, sending the Baltic Dry Index soaring to 11, 793 in 2008, shippers ordered many more ships.
中国对原材料的需求急剧增加时,波罗的海干货指数(Baltic Dry Index)在2008年飙升至11793点。 船务公司订购很多艘船。
In many developed countries, such as America, Japan, conventional oil vacuum pump has been replaced by dry screw vacuum pump in more and more fields.
在欧美和日本等发达国家,螺杆型干式真空泵在很多领域已经越来越多的代替了传统的有油泵。
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