如果您设置的推荐列表高度数少于返回的数目，将会在下拉栏中自动显示垂直滚动条。
If you set the height of the suggestion list to a number less than the number that is returned, that will automatically turn on vertical scrolling in the dropdown.
当垂直刀架下降时，由于摩擦力阻碍其下降，使丝杆的上螺旋面螺母的下螺旋面相接触，丝杆螺母的间隙在下面。
When the vertical turret decline, due to friction hinder its decline, the screw on helical screw nut under the physiognomy contact screw nut in the space below.
水平第将铅笔放在下巴下方，然后将尺子垂直放在耳朵下面，铅笔和尺子之间形成的截面显示出一个长度。
Place the pencil under your chin horizontally. Then place the ruler under your ear, vertically. Theintersection of the pencil and ruler indicates a measurement.
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