The worst thing is that a pinhole is very very dim, making observation extremely difficult.

This is the earliest pinhole image formation experiment and the earliest cognition of rectilinear propagation.

八条中的后三条叙述了反射(平面、凹面、凸面)镜成像现象.

The bird a broken pinion never soars so high again, but its song is sweeter.

折翼的鸟永远不能振翅高飞, 但却可以唱出更美妙的歌.

End play in drive pinion bearings.

驱动小齿轮轴承的端隙.

The rack and pinion power steering gear of rotary valve has been widely the car.

现代轿车多采用转阀式齿轮齿条液压动力转向器.

The drive pinion is meshed with a large ring gear ring gear revolves with the pinion.

传动齿轮与一个很大的冠状齿轮啮合,传动齿轮驱动冠状齿轮.

Worn teeth on ring gear or drive pinion gear.

环形齿轮或驱动小齿轮上齿磨损.

He is held with his arms pinion together behind his back.

他被捉住反剪著双臂.

Install pinion front bearing, if necessary.

如需要,安装小齿轮前轴承.

Mark the propeller shaft and pinion yoke, or pinion flange, for installation reference.

在传动轴和传动轴轴轭 、 或小齿轮轴轭上作标记, 作安装的参考标志.

Check ring gear and pinion gear teeth contact pattern.

检查环形齿轮齿接触印痕.

Remove pinion gears from differential case.

从差速箱处拆卸主动齿轮.

Install the pinion mate shaft lock screw finger tight to hold shaft during differential installation.

在差速器安装期间,安装小齿轮配合轴锁螺丝,用手紧固它,以把握住轴.

My arms were pinioned behind me by the policemen.

我被警察反剪了双臂。

They were pinioned against the wall.

他们被牢牢地靠墙绑着。

The device can be powered electrical, pneumatic, manual, pinion rotating devices.

本产品驱动装置可采用电动 、 气动 、 手动 、 伞齿轮转动等装置.

Why don't you try tightening the pinion nut first?

你为什么不先扭紧小齿轮的螺帽?

Unique twin guide bar feature absorbs rack and pinion load and ensures optimum teeth engagement.

独特的双导杆具有吸收齿条和齿轮负载的特点,确保齿轮之间能够优化啮合.

Usually, we adopt pinion drive for large mills.

大型磨机我们通常采用边缘驱动.

Pinion by the press of men around them, they are unable to move.

周围的人群挤压著他们, 使他们动弹不得.

He could not fight back, for his arms were pinioned to his sides with ropes.

他不能还手, 因为双臂被紧紧地捆在身体的两侧.