Maximum continuous flow based on pipe line velocity of 20 ft . per second 最大持续流量以管路流速每秒20英尺为计算基础。
Maximum continuous copy 最大连续复印
There are several classes of insulation in use for generator construction , each recognized for a maximum continuous - duty temperature 按最高持续耐热度划分,发电设备中使用的绝缘体有多种等级。