向旋翼的旋转反方向悬停、转弯，为保持高度，应（）。
更新时间:2024-11-15 21:44:05 A、稍上提桨距杆B
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Theengineer______myfatherworksisabout50yearsold.
Hemingway’s“IndianCamp”isoneofthefourteenshortstoriescollectedunderthetitleof().Thistitleisveryironicbecausethereisnopeaceatallinthestories.
Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.
英语翻译：Vatican
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.
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