问题
填空题
对于主提升,当提升容器过卷时,则不实行二级制动,而将三倍制动力矩一次投入,称为()制动。
答案
参考答案:一级
对于主提升,当提升容器过卷时,则不实行二级制动,而将三倍制动力矩一次投入,称为()制动。
参考答案:一级
用所给词的正确形式或汉语提示填空 |
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