两端圆形木头绑在一起做成一个桅杆，一张用布编织成的帆挂在一个十字型的杆上。

Two long logs were lashed together to make a mast, and a sail of woven cloth hung from a cross-pole.

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在十字头型发动机中，活塞连接在一根垂直的活塞杆上，活塞杆的下端又连接在一个叫做十字头的滑动构件上，十字头在导轨中上下滑动。

In crosshead-type engines, the piston fastens to a vertical piston rod whose lower end is attached to a sliding member called a crosshead, which slides up an down in guides.

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通过操纵杆对准十字叉丝。

Focus now by means of joystick on the cross hair image.

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