Thus, stable hole, smooth drilling and tripping operations and zero outage time have been obtained in the construction period.
使该井在施工期间，井壁稳定、起下钻井眼畅通，全井事故、复杂时效均为零。
It had taken the cook, the stable boy, and both of the twins to drag the chests into the yard, where a great hole had been dug under the flagstones close to the servants' latrines.
两个箱子被厨师、马童和一对双胞胎齐力拖进了园子石板路的大洞里。这大洞的旁边，就是仆人的厕所。
Without this stable outward pressure, the star collapses, generating a supernova in which the core gets crunched down to form a black hole or a neutron star.
如果没有这种稳定的向外的压力，明星倒塌，产生超新星，其中核心得到作响放下来形成一个黑洞或中子星。
On the one hand, the plane positioning is stable and reliable, on the other hand, it is easy to process holes on the machined surface, and can improve the machining accuracy of the hole.
一方面，平面定位稳定可靠，另一方面，在加工过的平面上加工孔比较容易，并能提高孔的加工精度。
What happens to the precession rate if the orbit around a black hole is made nearly as small as possible, i. e. a slight elongation of the innermost stable circular orbit?
如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
It also gives a general picture of their origin in the interplanetary dust of gas, their stable evolution in the stage of main-sequence and their end with White Dwarf, Neution Star and Black Hole.
描绘出了恒星在星际气体尘埃中诞生，在主星序阶段稳定演化，最后以白矮星，中子星或黑洞告终的一生经历轮廓。
When logging or general overhaul for long time, mud density must BE raised to E. C. D. for stable of hole.
在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
Most suitable for high precision inner hole measurement with stable tri-point allocation precision.
适用于高精度内孔的测量，三点定位精度稳定。
Note: for mechanical seal, in most cases, due to evaporation from seal leakage of fluid leaking hole in observation, but sometimes a small amount and stable leakage is allowed.
注意：对于机械密封，在大多数情况下，由于汽化导致从密封泄液孔处观察不到泄漏，但有时少量而又稳定的泄漏是允许的。
This product is a black grain, have flourishing hole structure, adsorb capability higher -, big intensity, the chemistry performance is stable, through long enduring.
本产品为黑色颗粒，具有发达的孔隙结构、吸附能力高、强度大、化学性能稳定、经久耐用。
To ensure the degree of processing die's hole circle, it is also designed into a stable, high accurate self-centering mold base, thereby improving the dies quality.
确保加工模具孔形的真圆度，该机又设计了稳定、高精度自定心的模座，从而提高模具的品质。
The abandonment formation pressure(AFP) of gas well is usually calculated by stable productivity equation and abandonment flowing bottom hole pressure.
通常人们采用气井某一时刻的稳定产能方程结合废弃井底流压来计算废弃地层压力。
The reservoir information from flow response on condition of stable bottom hole pressure helps to determine reservoir information.
定井底流压下流量响应所反应出的油藏信息，有助于确定油藏参数。
The utility model has the advantages of stable working condition, high drill hole precision, convenient maintenance, easy manufacture and wide application range.
本实用新型工况稳定，钻孔精度高，维修方便，易于制造，使用广泛。
The utility model has the advantages of stable working condition, high drill hole precision, convenient maintenance, easy manufacture and wide application range.
本实用新型工况稳定，钻孔精度高，维修方便，易于制造，使用广泛。
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