查询词典 pumping-back method

At the same time,there are still many problems for the beam pumping system,such as long driving chain,poor flexibility,tremendous volume and weight in long stroke,and low efficiency.

此外 ，游梁式抽油机系统还存在传动链长、柔性差、在长冲程时体积和重量巨大、系统效率低等问题。

At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.

在适当的压强下，工艺室被接通高真空泵系统抽气，以继续降低工艺室的压强。

Australian crews have begun pumping oil from a Chinese coal ship stuck on the Great Barrier Reef to minimize environmental damage from an oil leak.

澳大利亚工作人员开始从一艘在大堡礁搁浅的中国煤船上卸载燃油，以便使燃油泄漏对环境造成的污染降到最低。

From pregnancy to now I have drawn nine bottles of blood, a blood test more dazzling projects, to capacity yesterday seized a doctor of color plus a 421 yuan 5 tests alone, there are three blood is found, a the urine is a post-mortem blood sugar, which add up to five tests a single block四五百Also, I do not have to pay, according to those on the 420 color, color Doppler ultrasound showed good BB, before the pumping amniotic fluid have been excluded from the BB some congenital problem.

从怀孕到现在我已经抽了九瓶血，验血的项目多得眼花缭乱，昨天去产检医生开了一张421元的彩超另加五张化验单，有三张是检血的，一张是验尿的一张是验血糖的，这五张化验单加起来又四五百块，我没有交钱，就照了那四百二的彩超，彩超结果显示BB很好，之前抽过羊水排除了BB先天性方面的一些问题。

This energy will be collected and then used by pumping underground water and lifting up deck floor to roof and spraying water out, trigger the transformation from boardwalk to waterfall/play area..

如果把它建在人们经常经过的地方，比如通往学校和市场的主要路线，大人会在木板上踩过，孩子们也会在这个木制操场上奔跑玩耍。

Company's main products are: pressure vessel, with a long-stroke pumping unit, oil production wellhead equipment, swimming pulley, packer, tubing anchor, farm trailers, operating Derrick, Derrick Crane , Able to drive me assembly, and other oilfield machinery parts, in May 2001 through the ISO9002 quality system certification.

公司生产的主要产品有：压力容器、带式长冲程抽油机、采油井口装置、游动滑车、封隔器、油管锚、农用挂车、作业井架、井架天车、绞传动箱总成、及其它油田机械配件，于2001年5月通过ISO9002质量体系认证。

It is concluded that,at low-pressure operation of magnetron sputtering system and high pumping rate the potential of discharge depends directly on the reactive gas concentration.

本文研究了反应式磁控溅射方法利用Ar/N2混合气体镀制氮化铝薄膜的工艺过程，实验表明在高真空和高泵浦速率条件下，放电电压直接依赖于反应气体珠浓度。

Basement, equipment room, garage drainage wash the ground, where two and two or more drainage pump equipment when not pumping.

地下室、设备机房、车库冲洗地面的排水，如有两台及两台以上排水泵时可不设备用泵。

Sealing type upstream pumping principle are hydrodynamic pressure and hydrostatic pressure equilibrium.

上游式泵送密封的原理是动水压力和静水压力相平衡。

For an adrenalin-pumping view of the city and its surrounds, you can do a bridge climb, abseil down Kangaroo Point Cliffs or coast over in a hot air balloon.

如果想在惊险刺激中欣赏整个城市及其周边的风景，您可以来一次攀桥，从袋鼠角悬崖沿绳下降或者乘坐热气球飘越城市上空。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。