Small transformers have enough tank surface to radiate all the heat caused by their losses without exceeding the permissible temperature rise.
小型变压器具有足够的油箱表面积来散发所有由损耗引起的热而使之不超过允许的温升。
If bearings are not heated beyond the permissible maximum temperature (Table 1.7), the length changes illustrated in Figure 1.72 do not occur.
如果轴承没有超出允许的最高温度(表1.7)加热，长度变化如图1.72不会发生。
The safe and economic operation temperature in hot oil pipeline is the lowest temperature at the inlet of heating station to satisfy the requirement of permissible shutdown time of pipeline.
热油管道安全经济输油温度是满足管道允许停输时间要求的最低进站油温；
The safe and economic operation temperature in hot oil pipeline is the lowest temperature at the inlet of heating station to satisfy the requirement of permissible shutdown time of pipeline.
热油管道安全经济输油温度是满足管道允许停输时间要求的最低进站油温；
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