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机械故障; 精选例句 高考 1、 I believe what happened was negligence by humans or mechanical failure with old machinery. 我相信这次是人为的疏忽,或是机件的残旧所致. 来源:互联网 2、 This washing machine was guaranteed against mechanical failure - I demand a new one. 这部洗衣机保证过不出机械故障 —— 我要求换一部新的. 来源:互联网