Barrel is the key part of artillery. In shot process, propellent gas of high pressure and high temperature flows in the tube at a high rate of speed, which brings an upheaval to the temperature field of the composite barrel. As to the composite barrel with metal inner, its poor thermal conductivity is more likely to cause uneven temperature distribution and bigger temperature gradient, to produce improper deformation and to make the work temperature of metal inner rise, all of which will affect the life span of barrel.

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If uneven pressure should cause the regulator to pulsate, its action can be stabilized by throttling the valve.

如果壓力不穩(wěn)定一道本中文字幕，會(huì)導(dǎo)致調(diào)節(jié)閥跳動(dòng)，對(duì)這種閥門進(jìn)行節(jié)流可以穩(wěn)定系統(tǒng)壓力又大又粗又爽的视频网站。

AD 600, he was a "great imperial history," as the first time, taking into account the sun's uneven campaign, and the creation of "space, such as quadratic interpolation formula" to calculate the days, months, five-star speed.

公元600年人人色人人插人人操，他創(chuàng)《皇極歷》影视先锋资源av无码专区，首次考慮到太陽(yáng)視運(yùn)動(dòng)的不均性，創(chuàng)立"等間距二次內(nèi)插法公式"來計(jì)算日黄片al区一区二、月自拍日韩精品视频在线播放、五星的運(yùn)行速度。

Organic rose extract powder contains beauty materials of multi-vitamins, microelements, 17 kinds of amino acids and quercitrin, fatty oil, organic acid and so on. It can help provide all-round rich nutrition, improve facial blood circulation, promoting blood circulation by removing blood stasis, eliminating dark or uneven color, and convergence, repairing aging cells, anti-wrinkle effects, and make your skin tender, reddish, and elastic.

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The development of regional economy in our country is radically uneven.

在我國(guó)市場(chǎng)化進(jìn)程中免费黄色强奸A片，地區(qū)經(jīng)濟(jì)的發(fā)展是極其不平衡的日韩黄色无码黄色。

The seasonal rainfall distribution is uneven, with 78% of the rainfall concentrated in the 5-10, of which 7-9% of the annual rainfall is 47% of the rainfall, and when there is heavy rain.

降水的季節(jié)分配也極不均勻，有78%的雨量集中在5～10月欧美,性爱精品亚洲性爱免费观看视，其中7～9月的雨量即占全年雨量的47%国产精品h片在线播放，且時(shí)有暴雨出現(xiàn)。

The annual average precipitation 654.4mm, uneven rainfall distribution, rainfall accounted for 7,8,9 months of 55.5% of precipitation throughout the year.

年平均降水量654.4mm美女把腿我开让男人桶爽了，降雨分布不均勻欧美不卡三级视屏，7、8啪啪啪一区.com、9三個(gè)月降水量占全年降水量的55.5%你懂得福利影院。

Uneven distribution of rainfall in the summer, 145.2-516.4 mm of rainfall.

夏季雨量分布不均，降雨量為145.2-516.4毫米人人干人人干人人操爽。

Uneven distribution of rainfall season, winter and spring drought, summer and autumn rainfall and more.

降雨季節(jié)分配不均勻又长又大又粗又硬黄色网站，冬春干旱，夏秋雨量多国内精品嫩模AV私拍。

Regional economic development is uneven one of the important characteristics of Chinese economic development .

區(qū)域經(jīng)濟(jì)發(fā)展不平衡是我國(guó)經(jīng)濟(jì)發(fā)展的重要特征之一超碰在线97社区。