遍地黄沙的荒漠，干涸的河床与湖床中的沉积物——在伊拉克，这些沙尘源地的存在，为沙尘暴的发展壮大提供了极佳的条件。
Sandy deserts, impermanent lakes, and riverbed sediments provide plentiful material for dust storms in Iraq.
介绍国内外几种主要的循环流化床煤气化方法、流程和煤气化技术发展趋势。
This paper presents some major processes and developing trend of circulating fluidized bed coal gasification at home and abroad.
根据国内家居设计的发展趋势，考虑到居室空间的合理利用，设计了一款折叠睡床。
According to the development trend of domestic home design, considering the reasonable use of room space, a folding doss is designed.
分析了流化床、气流床和移动床煤气化工艺优缺点和煤气化工艺的发展趋势。
The advantages and disadvantages of fluidized bed, entrained flow bed and moving bed coal gasification technology and their current trends were analyzed.
移动式水处理设备为解决临床急诊和床旁血液净化治疗提供了有力保障，具有广阔的发展前景。
Mobile water producing system provides an effective guarantee for settling clinical emergency or bed-side blood purification treatment, and it has vast development…
移动式水处理设备为解决临床急诊和床旁血液净化治疗提供了有力保障，具有广阔的发展前景。
Mobile water producing system provides an effective guarantee for settling clinical emergency or bed-side blood purification treatment, and it has vast development…
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