在煤岩的分类中,有腐殖煤和腐泥煤之分.Coal rock can be classified as humic and sapropelic coal.黄县煤田第三纪腐殖煤 、 藻烛煤、油页岩显微组分富含树脂体.Resinite is a rich n 1 aceral in Teriary humic coal, boghead - cannel coal and oil shale fromHuangxian Coalfield....
克拉克远远地开在前面，已保持了一段足够长的安全车距，他于是放慢车速，开始定速巡航。Out in front, Clarke had built up such a sizeable safety margin that he eased the pace and started cruising.在伦敦泰晤士河上的巡航已成为一年一度的引人注目的事.Cruises on the Thames in London, have become ...
因为他一直不缺钱，所以这对他来说不算什么。Because he had always had money it meant nothing to him.她缺钱花的时候，帕梅拉总是有求必应。Pamela was an easy touch when she needed some cash.许多婚姻都因缺钱而以失败告终。So many marriages have come to grief over lack of money....
工人们正把熔化的金属注入铸型模中.The workers are teeming melten metal into the casting mold.肿瘤边缘呈小波浪状或结节状突起占77.6%,肿瘤与心脏大血管接触面(MCI) 呈灌铸型占48.6%.The M CI of the tumors like cast type in 48.6 %.为消除铸件中出现的开裂现象, 采用中空型芯以增加铸型的退让性.To eliminate cr...
A combination of operator mismanagement and design flaws caused the accident.事故归因于操作人员处置失当,也归因于设计方面的漏洞.Mismanagement and climate change are shrinking clean water supplies worldwide.管理不善(mismanagement)和气候变化正在逐步削弱全球干净水资源的供...