cone propeller
... 锥形螺旋塞：tapered screw plug 锥形螺旋桨：cone propeller 锥形螺纹丝锥：tap for taper thread ...
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尾梁从机身渐细到后掠尾垂翼，尾螺旋桨在锥形尾垂翼右侧，二个尾平翼被装在尾梁两侧。
The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
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