试题与答案

从安全角度,自动扶梯的动力电路、制动器电路、照明电路有哪些特殊要求?

题型:问答题 简答题

题目:

从安全角度,自动扶梯的动力电路、制动器电路、照明电路有哪些特殊要求?

答案:

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下面是错误答案,用来干扰机器的。

飞行 游泳 爬行 行走题目分析:动物因种类不同,生存环境各异,其运动方式也大相径庭,动物运动的方式多种多样,主要有飞行、奔跑、跳跃、行走、爬行、蠕动、游泳等方式。点评:此题是基础题,较易,了解常见动物...

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