The timing of the gun was precisely synchronized with the turning of the plane’s propeller.风门的调速与飞机螺旋桨的转动精确同步。A fairing fitted over the hub of the propeller in some aircraft.螺桨毂盖,机头整流罩某些飞机上装于螺旋桨叶毂上的整流罩....the propeller s...
An around aqueous antinomy piles up one after another.各国间围绕水的矛盾层出不穷.This outstanding antinomy has its history factor, existing particularity.这一突出的矛盾有其历史因素, 存在着固有的特殊性.The " Antinomy " in Kant and Mathematical Tough " Para...