查询词典 steam-boiler

But compared with those of the nineteenth century 4, technological changes remained minor and sporadic in the colonial period. It preceded the era of the cotton gin 5, steam power 6, and the many metallurgical advances 7 that vastly increased the tools available to workers.

然而，与十九世纪相比，殖民地时期的技术变革进展不大且时有中断，因为轧棉机、蒸汽机以及许多冶金方面的进步大大增加劳动者所用工具的时代还没有到来。

This paper is focus on the measurement of laminar flame propagation velocity of premixed CH4 with air under two kinds of conditions through the counterflow experimental system.one is with steam catalytic reforming reactions;the other is not.

燃烧系统的各种排放物是空气的主要污染源，城市中的机动车的污染已形成越来越大的威胁。自上世纪70年代末，我国机动车的污染排放量以每年12.7%的速度递增。

Bowling Museum, gym, squash courts, night clubs, an indoor pool, outdoor pool, sauna, tennis, steam bath, golf, dining Pearl Gallery Lounge, Green Ye Ting, California, restaurant, entertainment center in Guangdong 38, Dili Court, JCB Card, MasterCard, the Lycra, the Peony Card, Visa, American Express, Jinsui Card, Changcheng Ka, Longka, the largest conference room 500

保龄球馆，健身房，壁球，夜总会，室内游泳池，室外游泳池，桑拿，网球，蒸气浴，高尔夫，餐饮设施明珠廊酒廊，青叶庭，加利福尼亚西餐厅，广东38娱乐中心，帝苑， JCB卡，万事达卡，大莱卡，牡丹卡，维萨卡，美国运通卡，金穗卡，长城卡，龙卡，最大500人会议室

This topology, with narrow ports restricted in size by the thickness of the cover plate, does not look promising for obtaining a free flow of steam.

这拓扑结构，与狭隘的港口限制，大小厚度的盖板，并不期待有前途的获取自由流通的动力。

This is usually done by covering the fire with sand, steam or some other things.

这种方法通常是将沙子，蒸气或者其他物质覆盖在火的表面。

Covering the entire surface of a pan traps heat and creates steam.

把平底锅的整个表面都覆盖了，阻挡了热和蒸汽的散发。

In the first half of the 20th century, steam came out of the Rano Kau crater wall.

在20世纪上半叶，蒸出来的拉诺九口墙。

Methods The medical instruments were packaged with the all-cotton, medical crepe paper and paper plastic packaging materials, and then were sterilized respectively with high-pressure steam and ethylene oxide. They were stocked in the different places selected in hospital for regular bacterial incubation.

用全棉布、医用皱纹纸、纸塑包装材料包装医疗器械，分别进行高压蒸汽和环氧乙烷灭菌，存放在医院内具有代表性的场所，定期做细菌培养。

The rugged design of this steam engine is unusual in combining the functions of crosshead guide and cylinder support in a single set of columns.

崎岖的设计，这蒸汽机是不寻常的结合，职能十字头，引导和支持在缸一套单一的栏目。

Since the planer was yet to be invented (in 1817), no means then existed to machine a long, straight guide to serve as a crosshead in the steam engine.

因为他在当时的蒸汽发动机上应用了直线连杆引导长的活塞上下运动的装置。

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％。