圆柱

Compare the first one: what's the relationship between their undersides and their heights?

先比一比第一组，这个圆柱和这个圆锥的底面和高有什么关系？

The distance between the two undersides is called the heights of cylinder.

什么叫圆柱体的高？（圆柱两个底面之间的距离叫做高。

So they have the same undersides and the same heights.

这个圆柱和这个圆锥是等底等高。

The main products are: R Series Hardened helical gear reducer, S series helical gears - worm reducer, K Series helical gears - spiral bevel gear reducer, F series parallel shaft helical gear reducer, T series of spiral bevel gear to me , RV series aluminum alloy Worm Gear reducer, MB series of mechanical friction planetary CVT, hardened cylinder gear reducer and specifications of the various types of special gear, the worm reducer the design and manufacture.

R系列硬齿面斜齿轮减速机、S系列斜齿轮-蜗轮减速机、K系列斜齿轮-螺旋伞齿轮减速机、F系列平行轴斜齿轮减速机、T系列螺旋锥齿轮转向箱、RV系列铝合金蜗轮蜗杆减速机、MB系列行星摩擦式机械无级变速器、硬齿面圆柱齿轮减速机及各类特殊规格的齿轮、蜗轮减速机的设计制造。

Both turbochargers can be found on the exterior of the V-engine, each supplied with a cylinder bank.

两个涡轮增压器，可在外部的V型发动机，每个提供圆柱银行。

The characters of contact lines on the rollers within four kinds of cylindrical cam mechanisms are analyzed first using the theory of conjugating surfaces and the conclusion got then that cylindrical cams ′ contours are not torses in this paper.

在此基础上，认为圆柱凸轮廓面在理论上只有用等径刀具才能精确加工，非等径刀具只能近似加工，并讨论了等径加工的合理方法以及非等径加工的研究方向。

Male flowers in thyrses, female flowers or bisexual flowers in spikes; young leaves not covered with trichomes.

旱金莲圆柱状的果，裂爿盘绕的不在开裂期间；种子双列 13 Aphanamixis 山楝属

According to the design and reasonable technique research, the compositecylindrical shells with grid stiffeners are prefabricated successfully.

依据这一设计方法，通过合理的工艺研究，成功试制出深水下某种型号的复合材料网格加筋圆柱壳。

Leaves odd-pinnate; shrubs or trees, unarmed

茎圆柱状或者具条纹，无翅；果开裂的或不裂但是没有一个加厚的周裂的盖子。

A column of schoolmaster snappers hovers near a support beam for the Aquarius research station near Florida's Conch Reef.

一个圆柱可耻的动物徘徊在附近的支撑梁为水瓶座研究站附近的佛罗里达州的贝壳礁。

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。