词汇	椽脚
释义	椽脚 seat of a rafter
随便看	airplane performance sheet airplane pilot airplane pilots Airplane pilots must always fly by the book airplane pitch axis airplane power airplane power source system airplane power-supply airplane power system airplane primary parameters airplane product development airplane product liability airplane propeller airplane pro-peller airplane propellers airplane protuberance airplane racing airplane radio station airplane reactor airplane readiness airplane refuel tank airplane release airplane repair depot airplane repair section airplane rescue