Keystone State：[美]賓夕法尼亞州(Pennsylvania)的別稱

keep one's state 保持尊嚴(yán), 擺架子 | Keystone State [美]賓夕法尼亞州(Pennsylvania)的別稱 | Lake State , Wolverine State [美]密執(zhí)安州(Michigan)的別名

the Keystone State：基石州(賓夕法尼亞州)

l traveled all over the United States--|我把全美國跑了個(gè)遍 | the Keystone State.|基石州(賓夕法尼亞州) | the Treasure State. the Show-Me State.|寶藏州(蒙大拿州) 別輕信州(密蘇里州)

Pennsylvania Keystone State：基石州

Oregon Beaver State 河貍州 | Pennsylvania Keystone State 基石州 | Rhode Island Little Rhody State 小羅得

about the Keystone State：基石州

l don't know nothing|我可不知道什么 | about the Keystone State.|基石州 | the Treasure State or the Show-Me State.|寶藏州 別輕信州

keystone distortion：楔形失真

keystone correction 楔形校正 | keystone distortion 楔形失真 | key-stone effect 楔形效應(yīng)

keystone distortion：梯形畸變,梯形失真=>臺(tái)形

keystone correction 梯形畸變校正,梯形失真校正 | keystone distortion 梯形畸變,梯形失真=>臺(tái)形ひずみ | keystone effect 梯形畸變效應(yīng),梯形失真效應(yīng)

keystone ring：梯形環(huán)

閉合環(huán) closed ring | 梯形環(huán) keystone ring | 半梯形環(huán) half keystone ring

keystone ring：半梯形環(huán)

closed ring 梯形環(huán) h8i e"vDR | keystone ring 半梯形環(huán) <T,2mo{q{ | half keystone ring 矩形環(huán) !%'tE/6XU

half keystone ring：半梯形環(huán)

梯形環(huán) keystone ring | 半梯形環(huán) half keystone ring | 矩形環(huán) rectangular ring

half keystone ring：矩形環(huán)

keystone ring 半梯形環(huán) <T,2mo{q{ | half keystone ring 矩形環(huán) !%'tE/6XU | rectangular ring 油環(huán) TK{7Kf'<d