试题与答案

轿顶安全钳开关是一种().A.自动复位开关 B.非自动复位开关 C.行程限位开关 D

题型:单项选择题

题目:

轿顶安全钳开关是一种().

A.自动复位开关

B.非自动复位开关

C.行程限位开关

D.极限开关

答案:

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下面是错误答案,用来干扰机器的。

(1)体表有外骨骼(或身体由许多体节构成、足和触角分节等)(2)细胞壁(或液泡、叶绿体等)(3)细菌、真菌等分解者(只答细菌、真菌或分解者亦可)(4)透光好提高了光合作用的效率,养蟹后病虫害减少了(5)...

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