单词：low lubricating oil pressure trip device
单词：low lubricating oil pressure trip device 相关文章
By Gary Garriott Broadcast: November 25, 2003 This is Steve Ember with the VOA Special English Agriculture Report. From the beginning of human history, people have used oils from seeds and nuts. Most
VOA2003（下）-农业与经济
AS IT IS 2014-12-07 Some Asian Countries Gain from Low Oil Prices From VOA Learning English, this is the Economics Report. Today we tell you more about the effects of falling oil prices. Lower demand for oil and too much supply have sent prices to th
2014年VOA慢速英语(十二)月
The study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. High blood pressure is a
VOA标准英语2010年(十一)月
AGRICULTURE REPORT - How to Strike Oil (From Seeds, That Is) By Gary Garriott Broadcast: Tuesday, July 19, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Where cottonseed oil beg
农业与发展
The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do
VOA标准英语2010年(六)月
The plunge of oil prices has helped reduce fuel costs and made airlines big winners. Cathay Pacific Airways said on Wednesday that its annual profit nearly doubled in 2015. The net profit of Hong Kong's biggest airline jumped 90% from the year before
cctv9英语新闻2016年