【单选题】【消耗次数：1】
数控机床是个复杂的系统，由于种种原因，不可避免地发生不同程度、不同类型的故障，导致数控机床不能正常工作。该说法（ ）
①
正确
②
错误
参考答案：
复制
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相关题目
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下列关于数控机床的特点说法错误的是（ ）
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加工零件的适应性强，灵活性好
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加工精度高，产品质量稳
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生产率高
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生产管理水平提高
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增加工人劳动强度
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turned
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swerved
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lunged
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scrambled
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8.They made a______ decision, which later led to the collapse of the economy.
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lucky
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. fateful
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indebted
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confided to
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confided from
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he catches cold
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he should catch cold
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he caught cold
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lived
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To describe a planes jolt
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To tell the readers a story about the lightning.
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To narrate the authors personal experience during an accident.
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12.Most _______residents tried to seek protection in the local hospitals.
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paniced
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panicked
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panic
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【单选题】
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blessed with
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blessed about
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blessing with
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【单选题】
22.The sight of the fruit salad made our daughter Kit’s mouth ____.
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wet
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water
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soak
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taste