main and tail的意思|示意

The front end of the speed reduction crankshaft (1) and the tail end of the main shaft (3) are made by adopting the polygon structure and are same as the inner structures of the grooves (5) and (6).

减速机轴(1)前端与主轴(3)的末端均采用多边形结构构成，并且与凹槽(5)及凹槽(6)的内部构造相同。

The main cooperation was on the onboard ATP system, which Hollysys documents describe as components in the nose and tail of trains that act as its' last line of defense in safety.

双方主要的合作领域是车载atp系统，和利时的文件称这一系统安装在高铁列车的车头和车尾，为列车起到“最后一道安全防线”的作用。

The image shows the main body of the Small Magellanic Cloud, which iscomprised of the "bar" and "wing" on the left and the "tail" extendingto the right.

该图像显示了小麦哲伦星云的主体，是由左边的“酒吧”和“翼”以及延伸到右边的“尾巴”组成的。

For the classical helicopter of single main rotor with tail rotor, the effect of inflow models with different characteristics on helicopter trim and digital simulation were discussed in this paper.

针对常规单旋翼带尾桨直升机，讨论不同特性的入流模型在直升机数值仿真中的作用。

In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.

生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。

The main pollution sources include: slag, sewage water, smoke, and tail gas.

主要污染物有矿渣，污水，烟气、尾气等。