The rudder device keyway to hole keyway , Hole of the conical hole, Not run through the holes, Moreover structure of two key connection , Large size , High precision machining.
舵装置的键槽是内孔键槽，孔为锥孔、盲孔，而且采用双键联接结构，尺寸大，加工精度较高。
Rudder movement asymmetry is controlled by the fore and aft location of the "pickup" hole on the elevator horn.
鲁德尔运动不对称是受脱颖而出和“皮卡”在电梯喇叭孔船尾的位置。
Mr. Superintend, the hole of the lower rudder pintle damaged. It needs to be bored.
机务总管先生， 下舵销孔有所损伤，需要镗孔处理。
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