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This paper analyzes the problems occurred to a fined coal bunker arc-shaped valve pneumatic control system during its operation and at meantime an economic and practical version to modify the pneumatic control system to a hydraulic control system is proposed.

分析精煤仓弧形闸门的气动控制系统在工作中出现的问题，提出了一种经济、实用的改气动控制系统为液动控制系统的方案。

In a word, the top bunt slippage method is a particular way in practical process of steel box girder installation.

通过未用项推滑移安装方法，对钢结构桥梁进行了成功的安装，达到了预期的目的，同时降低施工造价。

Operations Burg algorithm for digital signal processing power spectral estimation, simple and practical.

作业Burg算法，用于数字信号处理中功率谱估计，简单实用。

Burgess finds nature's reliance on disturbances and variance to be a practical issue.

博格斯发现自然对侵扰和矛盾的依赖是个实际问题。

The speech secure communication is a kind of communication method that keeps the speech contents from burglarize to hear, it have the biggest practical value on the military and businesses..

语音保密通信是防止语音内容被窃听的通信方式，在军事和商业上具有极大的实用价值。

CD burners are one of the most practical computer accessories ever created.

CD刻录机是最实用的计算机配件有史以来创造的。

The promising future of porous media burners has already been used in practical application for household heating combustion system.

具有广阔的应用前景的多孔介质燃烧器已经在家用热水器上得到了应用。你知道它的英文吗？

To avoid false alarm burrs in practical application, feeble offset is added in decision threshold.

在判决门限中加入微小偏移量，避免实际应用中存在的虚警毛刺现象。

Based on practical experience in overseas markets, margin trading and securities lending business could double to enlarge the stock market's trading volume.

根据海外市场，保证金交易和证券贷款业务的实际经验可以扩大一倍，股市的交易量。

Management is a simple and practical business of operation.

具有管理简单性和实际业务的可操作性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。