名词
中文翻译：自动隆起
同义词：
['auto-hump', 'auto-ridge', 'automatic bump']
例句：
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1. The car has an automatic hump that can be raised or loweredby the driver.
这辆车有一个可以由司机升降的自动隆起。
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2. Thehydraulic system of the tractorhas a built-in automatic humpto help with lifting heavy loads.
拖拉机的液压系统内置了一个自动隆起，帮助提升重负载。
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3. The engineer designed themachine with an automatic hump that couldadjust its height for different tasks.
工程师设计了这台机器，具有一个可调节高度的自动隆起，以适应不同的任务。