名词
中文翻译：往复机构同义词
同义词：
['reciprocating mechanism', 'reciprocating device']
例句：
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1. The machine has a reciprocating mechanism that allows it to move back and forth.
这台机器有一个往复机构，可以来回移动。
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2. The reciprocating mechanism is responsible for the machine's ability to lift heavy objects.
往复机构负责机器举起重物的能力。
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3. The reciprocating mechanism is designed to minimize wear and tear on the moving parts.
往复机构设计成最小化移动部件的磨损。