名词
中文翻译：重型部分
同义词：
['heavy section', 'heavy component', 'heavy part']
例句：
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1. Theconstruction of this bridge requires a heavy section of steel.
这座桥梁的建设需要大量的钢铁。
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2.The heavy section of the machine is responsible for lifting heavy objects.
机器的重型部分负责举起重物。
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3. The heavy section of the road was damaged during a recent storm.
这条道路的重型部分在最近的风暴中受损了。