單項(xiàng)選擇題網(wǎng)絡(luò)通信的速度是二進(jìn)制位/秒,簡(jiǎn)寫(xiě)成()。

A.dpi
B.dps
C.bps
D.bpi


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翻譯: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.

題型:?jiǎn)柎痤}

翻譯:If Colonel Drake, Uncle Billy smith , Anthony Lucas , and the untold thousands of other members of the fraternity of drilling pioneers were alive today , they would no doubt be fascinated and amazed by the proliferation of drilling tools and techniques that have been developed since those primitive days in Pennsylvania and Texas . Undoubltly , they would also be impress by the great numbers of drilling rigs at work today-------over two thousand in the USA alone.

題型:?jiǎn)柎痤}

翻譯:Practically every rig uses internal-combustion engines as its prime power source, or its prime mover.

題型:?jiǎn)柎痤}

翻譯:In the chapter and the next some aspects of rod pumping and of the instruments used to analyze pumping well behavior are discussed. Many different pumping systems are in current use , e.g. , conventional sucker rod pumping, long-stroke pumping , hydraulic ,centrifugal,and sonic pumping ,but no attempt is made to deal here with any other method than convention a sucker rod pumping.

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翻譯:The first step in planning a well should be the gathering of all available data on past wells. In this respect it is important to be completely familiar with all sources of information, the availability of the sources, and the information normally associated with each source.

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