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[单选题]
对于液压安全阀内的液封,应选用()的液体。
A.沸点高、不易挥发、凝固点低
B.沸点低、不易挥发、凝固点低
C.粘度高、容易挥发、凝固点低
D.粘度低、容易挥发、凝固点低
查看答案
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A.沸点高、不易挥发、凝固点低
B.沸点低、不易挥发、凝固点低
C.粘度高、容易挥发、凝固点低
D.粘度低、容易挥发、凝固点低
A.A.沸点高、粘度小、挥发性差、凝点低
B.B.沸点高、粘度小、挥发性差、凝点高
C.C.沸点低、粘度小、挥发性差、凝点低
D.D.沸点低、粘度小、挥发性差、凝点高