名词中文翻译
中文翻译：坑道侧壁
同义词：
['sidewall', 'sidewalls']
例句：
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1.The engineer carefully inspected the pit rails before starting work.
工程师在开始工作前仔细检查了坑道侧壁。
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2.The construction workers were working on the pit rails to reinforce them.
建筑工人正在加固坑道侧壁。
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3.The pit rails were made of steel and had to be replaced after a few years of use.
坑道侧壁由钢制成，使用几年后需要更换。