电梯: elevator; lift的: 4次方是 The fourth power of 2 i ...上下: and -- one of the six catego ...按钮: push-button; press-button; b ...上下按钮: updown电梯上下按扭: lift buttons上下按钮控件: up-down control上下按钮控制项: up down control按下按钮: push the button电梯的群控: lift groucontrol开电梯的人: liftboy; liftman无电梯的: walk-up拉梯的上节梯: ladder fly无电梯的公寓: walk up building; walk-up电梯按钮: button电梯的安装与修理: construction information抚电梯的住宅楼: walk up domestic block变动的上下限: limit of variation干预的上下限: upper and lower intervention limits利用电梯上下: use a lift to go uand down你可以节省等电梯的时间: youll save time not waiting for the elevator不肯定性的上下限: margin of the uncertainty错开的上下班时间: staggered working hours各处分的上下限: limits of integration汇率波动的上下限: threshold of divergence