When the garbage in the garbagecan is close to the upper opening of the garbagecan, the garbage is compressed through the control device.

当垃圾筒内垃圾接近垃圾筒 的上开口时，通过控制装置压缩垃圾；

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Back in the late 1980s, tearing into a new pack of Upper Deck baseball CARDS rivaled opening presents on Christmas morning.

上个世纪80年代，在圣诞节清晨，人们打开装有棒球卡的礼物盒，争相撕开崭新棒球卡的表面薄纸。

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Safety and easy operation: hidden air leaking hole for opening fixture cover easily while pulling up hand lever of the upper cover.

操作方便，安全：隐藏式泄气孔，拉起上盖把手即可打开治具，操作简易，安全性高。

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Fulham enjoyed the upper hand in the opening stages and mustered two penalty shouts inside the first 10 minutes.

BBC: Fulham 2-1 Wolves

Seton Hall officials wanted to avoid the perception that they were opening the upper deck to sell more tickets to an onslaught of merely Syracuse fans.

WSJ: Seton Hall vs. Syracuse: An Open Hall With an Orange Twist

An injury-hit Glasgow side held the upper hand during the jittery opening period but they were unable to turn their superiority into a significant points advantage.

BBC: Glasgow Warriors 30-9 Connacht