查询词典 hub

The set screw fits in a threaded raidal hole in the hub,and the point is tightened down into a hole,a flat,or a dimple in the shaft or key.

在毂的一个被穿线于的 raidal 洞中的固定螺丝钉适宜，和重点进入桥或钥匙的一个洞，公寓或一个酒窝之内被勒紧下来。

The twin vortex at the tip clearance of hub side and the asymmetric recirculation at wall of inlet duct are also observed. 4 The mass-weighted average of flow parameter at inlet and outlet of every passage of impeller changes with different positions. In addition to the above, with the unsteady method, the head rise, shaft power and efficiency have been predicted well.

再次，采用整机非定常计算准确预测了三种工况下部分流泵的扬程、轴功率和效率；发现了叶轮进出口质量加权平均的速度、压力、动量矩的宏观不变特性；蜗壳内流动的非定常性对部分流泵的外特性有重要的影响。

This invention relates to an automatic regulating device for wind-powered propellers having blades which are connected to the propeller hub by torsion springs and are self-adjustable in dependence of the wind forces acting on the blades and returnable by action of the torsion springs.

本发明涉及到一自动调节装置的风动力的螺旋桨叶片，其中有连接到螺旋桨枢纽扭转弹簧和自我调节的依赖，在风的力量采取行动，叶片和可回收采取行动扭转弹簧。

Note that not all brake discs are fixed on the hub with a screw or nut

请用刹车固定制（详见55图P41页）注意所有的刹车碟不一定是用一粒螺丝上紧在车的车壳轴上。

The hub including a layer of rubber-coated, oil seal can securely installed in the shaft, such as rubber is installed before the grease surface point, then it would be easier to install.

在内毂上包覆一层橡胶，能使油封稳固地安装在轴上，如在安装前在橡胶表面涂点润滑脂，则安装就会变得更容易。

Wave is the rotor blades hinges on the hinge between the propeller blade hub, the hinge allows the blade perpendicular to the rotor plane up and down waving, in order to make it not have chatter and the shutdown will not touch the ground, usually limited to damping and compatible digital devices ...

挥舞铰是旋翼桨叶于桨桨毂之间的铰接，这个铰接允许桨叶垂直于旋翼平面上下挥舞，为了使之不会产生颤振及在停机时不会触及地面，通常都有阻尼及限位装置相配合。。。。

Spokes – These are the thick wires that are attached to the rim and hub of the wheel.

辐条-这些都是厚厚的导线连接到轮辋和轮毂的车轮。

Spokes – These are the thick wires that are attached to the rim and hub of the wheel.

辐条-这些是附加到边缘和轮毂厚线。

Spokes – These are the thicker wires that secure the wheel hub to the rim of the wheel.

辐条-这些都是厚线，确保安全的轮毂的轮辋。

Bird strike is more likely to occur at the hub airports which are located on the way of bird migration.

位于鸟类迁徙路线上的枢纽性机场，发生鸟击的机率大大增加。

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。