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1·The engine had a broken crankshaft.

发动机的曲轴断了。《柯林斯英汉双解大词典》

2·Remove front crankshaft belt pulley.

拆卸前曲轴皮带轮。

3·Install new front crankshaft oil seal.

安装新的前曲轴油封。

4·Remove chain drive wheel from crankshaft.

从曲轴上拆下链条驱动轮。

5·Fit chain drive sprocket on the crankshaft.

将链条驱动链轮安装到曲轴上。

6·The crankshaft has three main bearing journals.

曲轴有三个主要轴承期刊。

7·The crank is an offset section of the crankshaft.

曲柄是曲轴的偏置部分。

8·The oil pump is driven by a chain drive on the crankshaft.

机油泵由曲轴上的链条驱动装置来驱动。

9·It is interlocked with the crankshaft via the chain drive.

它通过链条驱动机构与曲轴互锁在一起。

10·The wings are driven by a crankshaft that is connected to a gearbox.

机翼由连接着齿轮箱的机轴驱动。

曲轴

1·The engine had a broken crankshaft.

发动机的曲轴断了。《柯林斯英汉双解大词典》

2·The crankshaft, regarded as the backbone of the engine, serves to change the reciprocating motion of the piston into rotary motion and handles the entire power output.

曲轴，也叫做发动机的“脊柱”，其作用是将活塞的上下往复运动转换成为旋转运动，并且控制着整个的功率输出。

3·Fit chain drive sprocket on the crankshaft.

将链条驱动链轮安装到曲轴上。

4·Camshaft from the crankshaft through the timing belt or gear or chain drive.

凸轮轴由曲轴通过齿形带或齿轮或链条驱动。

5·The flywheel marks and indentation are used for setting the valve and the ignition systems relative to prescribed position of the crankshaft.

飞轮标记与凹口可以用来确定阀门与点火装置系统的位置，其要根据曲轴的规定位置来确定。

机轴

1·The wings are driven by a crankshaft that is connected to a gearbox.

机翼由连接着齿轮箱的机轴驱动。

2·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。

曲柄轴

1·Newly developed three ring gear reducer is comprised of synchronous belt, big and small pulleys, crankshaft, drive ring plate, output shaft, external gear and case.

设计的新型三环减速器主要由圆弧齿同步齿形带、小带轮、大带轮、曲柄轴、传动环板、输出轴、外齿轮和箱体等组成。

(1)engine crankshaft发动机曲轴；动力机曲柄轴