an entrance intended for the use of servants or for delivery of goods and removal of refuse 同义词：service door, servant''s entrance,
例句与用法
1.
They got him with a taser at the service entrance . he doesn ' t remember a thing 他们在入口发现了一名警卫他什么都记不得了
2.
They got him with a taser at the service entrance . he doesn ' t remember a thing 他们在入口发现了一名警卫他什么都记不得了
3.
This standard makes the installation of an spd at the electrical service entrance compulsory for all new buildings 此标准强制要求所有新的建筑物在电源进入端安装电源电涌保护器。
4.
You might wonder if the surge protector installed at the service entrance would also protect equipment within the facility 你可能想知道安装在总进线端的电涌保护器是否也会保护建筑内的设备。
5.
The heavy - duty service entrance protector is too far away , inductance - wise , to be able to limit locally developed transients 因为这个重型的进线端的保护器，由于距离太远、电感的原因，不能有效地抑制局部产生的电涌。
6.
However , by the time a lightning strike has traveled through the distribution network , surge arrestors will have dissipated a proportion of the charge , network impedance will have shaped the impulse and the residual energy can be represented in terms of its waveshape , and its peak current which is what will be present at a service entrance 然而，雷击经过电力网络进行传送以后，避雷放电器会将一部分能量泄放掉，网络的阻抗也会对电涌进行修整，而残余的能量将可以以它的波形来体现，其峰值电流也就是建筑物进入端将会出现的情况。
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