The phrase "peak oil" is one that has been tossed around quite a bit lately, which comes at no surprise considering oil is hovering around $100 a barrel.
“石油峰值”这个词最近已经造成了相当大的震动,对于每桶石油达到100美元左右的价格已不再感到惊讶。
The price of a barrel of Brent crude, which had nudged $120, slipped back a bit this week.
一桶布伦特原油的价格之前已逼近120美元,这周略有回落。
This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.
这样允许钻头围绕岩石的中心圆柱体钻进,并通过钻头进入取芯桶。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
使用取芯钻头、取芯桶和岩心爪来完成取芯工作。
I have seen the intensity of ghosting being a bit higher through the left barrel than through the right (as a surprise, since the reticle is placed in right barrel).
我发现左镜筒的鬼影比右镜筒厉害一些(怪了,右镜筒才有分划板呀)。
The core drilling method and the obtained achievement are introduced with respect to the bit and core barrel used in different formation.
根据不同地层所采用的钻头和取心器,介绍了不同地层的钻进取心方法和取得的成果。
The drill bit in a cone shape outside has an outer diameter larger than or equal to the drill barrel to form an outer bulge.
钻头外侧呈锥体形状,钻头外径大于或等于钻筒外径形成外凸。
In this way, the matching of the screw and barrel diameter clearance, with the gradual wear and tear of the a little bit more.
这样,螺杆与机筒的配合直径间隙,随着二者的逐渐磨损而一点点加大。
In this way, the matching of the screw and barrel diameter clearance, with the gradual wear and tear of the a little bit more.
这样,螺杆与机筒的配合直径间隙,随着二者的逐渐磨损而一点点加大。
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