毂

Advantageously, the hub has a diameter of about 45% of the diameter of the rotor.

有利的是，毂的直径是转子直径的45％。

One day, carrying an armful of hubcaps around a corner, I almost bumped into our new general manager.

一天，我抱着一大捧毂盖转过一个角落，几乎与我们新任总经理撞了个满怀。

The design instruction booklet has mainly designed 5 ton hoist reels, the reel axis, as well as the block and tackle.

本设计主要设计了5吨卷扬机的卷筒、卷筒轴、卷筒毂、减速器以及滑轮组。

Is a steam-hua Sino-foreign joint venture car brakes, brake hub, brake lining manufacturing enterprises.

莱州华汽机械有限公司是中外合资经营汽车刹车盘、刹车毂、刹车片的生产企业。

It also possesses the lowest wear loss and is one of the best material to make brake disk s.

因此 ，蠕墨铸铁取代灰铸铁作为汽车刹车盘/毂材料具有广阔的应用前景。

The thermal fatigue is one of mainly factors cause workpieces out of work such as Cast Hot Work Die Steel, heat exchanger tube, boiler tube, the wheel disk and blade of gas engine, high speed train break disk and heavy truck break hub.

热疲劳是热作模具、热交换管子和锅炉管子、燃气发动机的轮盘和叶片、高速列车刹车盘和重型载重汽车刹车毂等关键部件的主要失效形式之一。

Take have already rubbed a slice of from move dish and from move dish Gu to lend glide flower key with from move stalk connect with each other.

带有摩擦片的从动盘和从动盘毂借滑动花键与从动轴相连。

In the first part, first, the operational principle of Varivec Propeller is explained. Secondly, the mathematical model for predicting longitudinal and transverse movement hydrodynamic characteristics of Varivec Propeller under steady or unsteady condition are present, based on the general propeller lifting-surface theory, potential flow theory and Green theorem. Thirdly, theoretical calculation methods for predicting hydrodynamic characteristics when the influence of paraboloidal boss on the performance of Varivec Propeller is or isn't considered are present, based on The finite basic solution method, the unsteady vortex lattice method and Hess-Smith method Different rake angle is adopted according to different desire in practical application.

在理论计算部分，本文首先给出了全方向推进器的工作原理，然后基于常规螺旋桨升力面理论、势流理论和格林定理建立了定常和非定常状态下全方向推进器纵向、横向运动的水动力性能计算的数学模型，并利用有限基本解法、非定常涡格法和Hess-smith方法分别对考虑和不考虑桨毂影响时的全方向推进器纵向、横向运动水动力性能进行了数值预报。

Roomba is roughly the size of a car hubcap and weighs about six pounds.

伦巴的大小和汽车轮胎毂盖差不多，重量大约2.5公斤。

The data indicates that the fourth circle is the maximum locking torque stage when the self-tapping screw locks into the boss. The curve of this stage is from 1080° to 1440°. Besides, it will continue the value of the locking torque until the boss produces the strip.

由实验结果显示：自攻螺丝锁入凸毂的第四圈为最大锁附扭矩阶段，此阶段的锁附扭矩曲线角度由1080至1440，此外并继续增加锁附扭矩值直到凸毂产生滑牙为止。

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。