查询词典 back surface

However, the air tank commonly worn on scuba divers back, is attached to a specially designed raft floating on the surface of the water.

然而，常见的空气罐上佩戴潜水员回来，是附属于一个专门设计的木筏漂浮在水面。

The ornamentation of surface stratum had longitudinal strips and the squama-like appurtenance was on the back leaves.

茎表皮细胞强烈凹陷，使其表面呈波浪状，中肋细背面突出；垫状紫萼藓（Grimmia pulvinataSm。

It was cold snorkelling on the water surface, was the same back to the bay blown by the wind.

在水面上漂一漂觉得冷，上岸又有风，上岸也不是、下水也不是。

And 6. 9 eV can be attributed respectively to the electronic excitation of different back bond surface states, but the Peaks occurring later under ...

在低的激光能量密度下出现在2.2，3.0，4.2和6.9eV的峰表征不同背键表面态下的电激发过程，而在较高能量密度下相继出现的特征峰分别表示硅表面上的预熔、蒸发、等离子体形成等物理过程的开始。

For the assurance of quality of assembling the final drive of track, the distance between the axis of bevel pinion and the back plane surface of ring gear must be accurate.

为了保证汽车后驱动桥减速器总成和差速器总成合件的装配质量，必须使从动锥齿轮齿背到主动锥齿轮轴线的距离符合精度要求。

However, I would not choose to major in early back nine, had to return home New Year reunion is a map, look terrific on the surface, Juju and friends, but you great at the beginning and then go back nine, or you want to see friends, relatives , Have also embarked on their journey of the year.

不过，要我就不会选择大年初九回去，本来过年回家就是图个团圆，热热闹闹，和朋友聚聚，可是，等你大年初九再回去，或者你想要见的朋友、亲戚，都又各自踏上了一年的征程。

The flow characteristics of surface singular point, seperation lines, re-adhesional lines, low speed back-flow area of the impeller and back-flow area at the impellor's inlet were revealed.

揭示了额定流量与小流量时叶轮的表面奇点、分离线、再附着线、低速回流区和进口回流等流动特征，进而提出了改进螺旋离心泵设计方法与结构的设想。

As I squinted in the direction of the sounds, the rounded gray back of a sea creature rose amid a red froth, rolled turbulently at the surface, then sank back into the Gulf.

我顺着声音的方向看过去，在一堆红色的泡沫中发现一种海洋生物圆圆的灰色的脊背，它在水面上激烈地摆动着，然后又沉到水下。

The assembly of journal and plain bearing liner space is too little, force of organic still oil pressure is small it is the crucial index that affects lubricant result, make lubricate because of lacking engine oil between crankshaft and plain bearing liner and bite dead invalidation, include to be pulled badly, lack lube, layer of alloy of dry attrition generation is fused, grind sliding surface to did not maintain the oily film of certain ply, and all sorts of local overload exhaustion are destroyed, cavitation erosion and V form are destroyed etc, through technology of him director diesel locomotive old experience reachs the analysis of pair of its breakdown reasons, put forward precautionary measures especially. As a result of,the burns caustic mechanism plain bearing liner to burn caustic mechanism of 1 plain bearing liner is the lube film burst between journal and plain bearing liner, cause plain bearing liner and crankshaft generation clash, below high temperature, high pressure and high rotate speed, the wear-resisting alloy layer of plain bearing liner wears away prematurely or fuse, cause plain bearing liner and crankshaft to stick thereby bite, can make the steel back of plain bearing liner and Kong Zhong produces whirligig, inlet port is jammed, carry on the back by steel again with the friction of aperture causes high temperature to make plain bearing liner burned-out further, can cause bolt to break off, happen swing a malign accident that pounds cylinder body of bad internal-combustion engine.

轴颈和轴瓦的装配间隙太小，还有机油压力低是影响润滑效果的关键指标，使得曲轴和轴瓦之间因缺少机油润滑而咬死失效，包括严重拉伤，缺少润滑油，干摩擦产生合金层熔化，磨滑面没有保持一定厚度的油膜，以及各种局部过载疲惫破坏，气蚀和V形破坏等，通过本人主管内燃机车技术多年经验及对其故障原因的分析，特提出预防办法。1轴瓦的烧损机理轴瓦烧损的机理是由于轴颈和轴瓦之间的润滑油膜破裂，导致轴瓦和曲轴产生摩擦，在高温、高压和高转速下，轴瓦的耐磨合金层过早地磨损或熔化，从而引起轴瓦和曲轴粘咬，会使轴瓦的钢背和座孔中产生旋转运动，进油孔被堵塞，再由钢背和座孔的磨擦进一步引起高温使轴瓦烧坏，并会造成螺栓折断，发生甩出捣坏内燃机缸体的恶性事故。

The typical European style, mainly reflected in the couch and head back the twist and back side of the fence post and the former golden carved out of wood on the children, another trapezoidal design of the fence is also a prominent European Royal couch features generous couch cushion surface enhanced comfort .

欧式风格的典型，主要体现在榻头靠背的蜷曲和靠背侧、后围栏以及前出木的金色雕花儿上，另外围栏的梯形设计也是欧式贵妃榻的显著特点，宽厚榻面垫增强了舒适感。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。