当冬季温度低时,为保证液压泵正常使用,应当开启加温装置。
参考答案:对
—Can I help you with it?.
—I appreciate your _____, but I can manage it myself.
A.advice
B.question
C.offer
D.idea
钢筋经过冷拉和时效硬化后,有何优缺点?