| 释义 |
top lift
释义
鞋跟底层：指鞋跟的底部层，通常由皮革、橡胶或合成材料制成。
例句
1·Top lift . Stackable, Fork lift.
可吊装、堆码、叉举。
2·Job security: electric jack has lift the self-locking protection device that, when beyond top heave range will automatically stop lifting, safe and reliable.
工作安全：电动千斤顶具有升降自锁的保护装置，当超出顶举范围时将自动停止升降，安全可靠。
3·To help generate lift to keep midwater, the top of the tail extends farther back than the bottom, creating a slant along the back edge.
为了保持在水中不至于沉底，尾部的顶端比底端向后延伸，沿着后端形成一个斜面，产生提力。
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