primary backfill是什么意思

网络释义

用法例句

Developing process of stoping and filling from overhand level cut and fill stoping,two stoping primary filling to quick filling uninter pillar continuos stoping in Fenghuangshan Copper Mine are reviewed.

综述凤凰山铜矿充填采矿法从上向水平分层充填法 ,两步回采一次充填到无间柱连续开采快速充填等工艺的发展过程。

Development of intelligent CAD system software for primary circuit in transformer substations;

智能化变电所一次回路CAD系统软件开发

It was pointed out that it was the larger contact résistance in primary circuit of a 200 MW turbine generator, which produced a larger unbalance voltage at open triangle of the potential transformer secondary side, that caused the protection malfunction among turn-to-turn, and some suggestions of solving these problems available were presented for .

分析了匝间保护误动的原因,指出某台200MW汽轮发电机一次回路接触电阻大,导致电压互感器(TV)二次侧开口三角出现较大的不平衡电压造成匝间保护误动。

Field Application of Wrapped Wire Gravel Primary Packing Technique in Gudong Oilfleld

绕丝砾石一次充填工艺在孤东矿场上的应用

one trip perforating gravel pack system

射孔与砾石充填一次起下作业装置

Connectivity of Filled Julia Sets for a Kind of Quartic Polynomials

一类四次多项式填充Julia集的连通性

Clinical efficacy of single-visit root canal treatment with Vitapex

Vitapex一次性充填根管的临床疗效

Clinical evaluation of root canal filling with cortisomol in single visit

Cortisomol根管糊剂行一次性根管充填的临床效果评价

multiple squeeze slurry pack technique

多次挤压砂浆充填技术

Some liquid will vaporize to fill the additional space, but usually not enough to excessively sub-cool the cylinder.

一些液体会蒸发，以填充额外的空间，但通常不足以过分次冷却钢瓶。

The New Process of Production of Light Magnesium Carbonate by One Step Carbonation with Rotating Packed Bed;

旋转填充床一次碳化制备轻质碳酸镁新工艺的研究

Clinical curative effect of single-appointment root canal treatment in patients with molar pulpitis

一次法根管充填治疗后磨牙牙髓炎的临床疗效观察

one-trip gravel pack technique

一步法砾石充填技术

filling again by supplying what has been used up.

再次填充或提供被消耗掉的物质。

AutoCAD Design of the Secondary Development of Filling and Its Application

AutoCAD图案填充的二次开发及其应用

A single charge of ammunition for a firearm.

装填火器弹药的一次装填

Following inspection, maintenance and refuelling the lower stage will be ready for the next flight a few days later.

下部一级火箭经过仔细检查、维护和重新填充燃料，为几天后的下一次飞行作好准备。

Fig.6 showing the secondary thickening between the gyres of the helix( arrow).

图6示次生壁物质在螺旋构架之间的填充(箭头)。

Determination of the Most Appropriate Number of Multiple Imputations for the Schistosomiasis Surveillance Data in China

疾病监测资料中缺失值最佳填充次数的研究

Application of Secondary Sand Filling Technology in Heavy Oil Thermal Recovery Wells

二次充填补砂技术在稠油热采井的应用

Effect of a second vitrectomy in the management of recurrent retinal detach-ment in silicone oil-filled eyes

再次玻璃体手术治疗硅油填充眼视网膜脱离