问答题

简答题 翻译：A portion of the sample is used to determine the gravity of the oil expressed in AIP unit the lighter the oil, the higher the API gravity .In most cases the price paid for the coude is determined in prat by the API gravity, hence ,the importance of careful gravity determination in each instance.

【参考答案】

对原样样品的比重进行测试并用AP 制单位表示出来。原油越轻，重度越高。在多数情况下原油的市场价受重度的影响。所以测定原油......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
<上一题 目录 下一题>
热门 试题

问答题
翻译：The transportation of oil has also led to the spectacular development of gait ships ,the largest ships that ever sailed the oceans of the world .in the last few years ,since it has been necessary to ship oil from middle East-one of the largest oil producing regions-around the cap of Good Hope in south Africa these tanks has grown to almost unblievable proportions.
问答题
翻译：Meanahile ,steel pipes that would carry the oil were being developed . These were the first oil pipelines which take the advantage of the fact the oil is a liqnid. The ideas of a pipeline were not new , water has been transported through pipes for handreds of year ,The oil pipeline were not accepted without a struggle, hower.
相关试题