【判断题】浮钳盘式制动器的制动钳可以相对于制动盘轴向移动。
【单选题】We will write ____ you as soon as we are able to supply these goods again.
【判断题】在rdt协议中,引人定时器来处理数据包的丢失。 如果在定时器的持续时间内未接收到发送的分组的ACK,则假定分组(或其ACK或NACK)已经丢失,因此会重传数据包。
【判断题】受伤害学生为限制性民事行为能力人时学校的过错责任为无过错原则()
【单选题】______is not mentioned in the text as having become popular with the public after the disaster.
【简答题】船舶被强力甲板划分为()、和()两部分。