The butterfly-stroke makes me tired very quickly.

What are the elements of the butterfly stroke?

蝶泳的泳姿动作要领是 什么 ?

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But she wants to learn butterfly stroke.

可她想学蝶泳.

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She'll swim the races of breaststroke and butterfly stroke.

她将参加蛙泳和蝶泳的比赛.

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You need to use your back muscles to swim the butterfly-stroke.

你必须用你背部的肌肉来游蝶泳.

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Swimming is divided into breaststroke, freestyle, backstroke, and butterfly stroke.

游泳分为蛙泳, 自由泳, 仰泳, 蝶泳.

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The butterfly stroke had not accepted as a formal event until 1958.

蝶泳被列入正式比赛项目是在1958年.

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Two Chinese women swimmers have already entered the 100-metre butterfly stroke finals.

已经有两位中国女选手取得了100米蝶游的决赛权.

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Baumann 25000 Butterfly control valve is a low torque and low noise butterfly valve.

鲍曼25000蝶阀控制阀是一种低扭矩,低噪音蝶阀.

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Hsieh Yu butterfly valve is designed for installation with square screw, nut and washer.

协羽的蝶阀安装设计是使用方形螺丝, 螺母及华司所组成.

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The handle ( or gear box ) of butterfly valve can be rotated backward or forward for 180 degrees.

蝶阀的把手 ( 齿轮箱 ) 可以反转或正转180度操作.

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It is completely opposite to the butterfly valve of the exhaust pipe connected to the muffler.

与消音器连接的排气管处蝶阀为常关闭状态,当取力器开关接通时开启.

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Click here to learn about Ball Valve, Gate Valve, Butterfly Valve, Solenoid Valve, or Needle Valve.

了解更多球阀, 止回阀, 蝶阀,电磁阀, 针型阀, 安全阀,减压阀,疏水阀,陶瓷阀门,过滤器产品与技术.

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Butterfly valves are commonly used for clip-on butterfly valve and two Flanged butterfly valve.

常用的蝶阀有对夹 式 蝶阀和法兰式蝶阀两种.

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Such as gate valve, globe valve, ball valves, plug valves, valve, butterfly valve and so on.

如闸阀 、 截止阀 、 球阀 、 旋塞阀 、 隔膜阀 、 蝶阀等.

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The butterfly valve structure principle is particularly suitable for production of large-diameter valves.

蝶阀的结构原理尤其适合制作大口径阀门.

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The movements of check valve located at Valve valve seal on the Butterfly valve seat surface.

升降式止回阀的阀瓣座落位于阀体上阀座密封面上.

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Clip-on butterfly valve is the valve head bolt flange type >.

对夹 式 蝶阀是用双头螺栓将阀门法兰式>.

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Selector switches for the by-pass butterfly valve is located on MCC 2.

旁通电动蝶阀的选择制设在MCC2上.

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The butterfly valve butterfly plate installed in pipeline diameter direction.

蝶阀的蝶板安装于管道的直径方向.

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Simple construction of the Model-C butterfly valve results from its unique design.

独特的设计使得型号C蝶阀具有结构简单的特点.

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