1.
Hardness Decreasing Reason of Airscrew Bush Parts of Helicopter after Heat Treatment
直升机旋翼桨根衬套热处理后硬度降低的原因
2.
I have the two oars and the tiller and the short club."
我还有两把桨和那个舵把和那根短棍。”
3.
A piece of string has twisted round the propeller.
一根绳子缠在螺旋桨上了。
4.
He shipped his oars and brought a small line from under the bow.
他把桨放在桨架上，从船头下面拿出一根细小的钓丝。
5.
Then I cut down some of the largest trees and made two oars and a mast.
接着我砍下几棵最大的树，做了两支桨和一根桅杆。
6.
A long, thin, usually wooden pole with a blade at one end, used to row or steer a boat.
桨，橹一根尾部有叶状片的长而细的杆，多为木质，用于划船或掌舵
7.
A sculling stroke consists of the following elements: catch, drive/pull, through, finish, and recovery.
双桨艇划桨由以下动作成分组成：提桨，拉桨，划桨，结束和回桨。
8.
two or four athletes respectively,
双人双桨，四人双桨，
9.
controllable pitch propeller hub
可调螺距螺旋桨桨毂
10.
Huck at the after oar and Joe at the forward.
哈克划右桨，乔划前桨。
11.
To row slowly and gently.
荡桨慢悠舒服地划桨
12.
A thole pin.
桨栓固定桨位置的栓
13.
An aircraft that derives its lift from blades that rotate about an approximately vertical central axis.
直升机螺旋桨叶围绕一根近似垂直的中心轴旋转而使其升高的飞机
14.
and just as I gave the last impulsion, my hands came across a light cord that was trailing overboard across the stern bulwarks.
正当我划下最后一桨时，我的手碰到了一根从大船后舷桔上挂下来的细绳子。
15.
By the operational results, the optimum plan should be:2 additional crystal seeding tanks and a single tank with section- changeable stiring paddle.
根据运行结果，提出最佳配置方案为：增加2台品种槽，选用单菜单槽配变截面搅拌桨。
16.
his one workable idea was the propeller-driven helicopter, designed around the airscrew principle.
达?芬奇还有一个可行的想法，即根据空气动力学的原理设计出一螺旋桨来驱动的直升飞机。
17.
They reasoned out that a propeller wasn't just a flat blade, but it had to have rounded edges and,in effect, become a rotating wing.
他们根据推理认识到，螺旋桨不能只是平平的一片，而是边角必须磨圆，实际上成为旋转的机翼。
18.
Through measurement and correlated calculations, the power curve with the full flow region for the type of flat paddle-harrow agitator is to be presented.
根据测定与关联计算，给出平桨—耙式搅拌器在全流域的功率曲线及其关联式。