The leg pivot uses a unique single hinge design in aluminium which both keeps the cross section smaller and allows the leg to fold shorter than conventional tripods.是什么意思_The leg pivot uses a unique single hinge design in aluminium which both keeps the cross section smaller and allows the leg to fold shorter than conventional tripods.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句