单项选择题
A.≤1.0s B.≤0.6s C.≤0.7s D.≤0.8s
A.≤DC16V B.≥DC16V C.≤DC24V D.≥DC24V
A.DC12V～DC24V B.DC18V～DC24V C.DC18V～DC28V D.DC18V～DC36V
A.045MPa B.0.5MPa C.0.55MPa D.0.6MPa
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