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- It is restricted by geologic setting of coal bed formation and geometric configuration of borehole to utilize multiple laterals horizontal well(MLHW) to develop coal bed methane(CBM) resources. 应用多分支水平井开发煤层气资源,受到煤层地质条件和分支井眼几何形态等主控因素的制约,只有将二者有机结合并进行井身结构优化,才能发挥多分支水平井的效率。
- Because of long chain couple helix composition of XC, XC can drag reduction, make drilling fluid keep disturbed flow condition in horizontal section, and stop cutting bed formation. XC的长链状双螺旋结构使其具有减阻作用,使钻井液在水平段始终处于紊流状态,阻止了水平段岩屑床的形成;
- The Archeozoic bedded formation is the potential auriferous source in this area. There is a bright future in discovery of new concentrated zones and new-type gold deposits. 该区太古代层状岩系为金的潜在矿源,具有发现新矿化集中区和新类型金矿床的巨大潜力。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- She rushed off to work leaving her bed unmade. 她匆忙去上班连床都没铺好。
- A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
- It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
- I threw off my clothes and tumbled into bed. 我脱掉衣服倒在床上便睡了。
- I usually go to bed at half past ten. 我通常十点半睡觉。
- He lay face downwards on his bed. 他俯卧在床上。
- Please unplug the TV before you go to bed. 临睡前请拔下电视机的插头。
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
- Her front teeth were irregular in formation. 她的门牙排列不整齐。
- He has neither prepared his lesson nor gone to bed. 他没有准备功课也没有睡觉。
- They marched in parade formation. 他们以列队的阵式行进。
- I put her to bed with a cup of tea. She's got flu. 她感冒了,我给她喝了一杯茶就让她上床睡觉了。
- He is loath to get out of bed on cold morning. 在寒冷的早晨他讨厌起床。
- It's ten o'clock now. It's time to go to bed. 现在是10点了是就寝时间。
- She got a bed out for her unexpected guest. 她为那位突然到来的客人准备好一张床铺。
- The formation of two ordered files from one regular file. 把一个正规文件分成两个有序文件的过程。