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- service entrance conductor 用户引入线
- 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。
- 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。
- "A Class 2 test is appropriate for an SPD located at the service entrance where the VPL matters, and a Class 1 test is appropriate for arrestors to divert direct lightning strikes to earth. 因此，国际电工委员会IEC的61643-1标准的要求告诉了我们一个简单的事实：“等级2测试适用于对应用于建筑物进入端的电涌防护器（SPD）的测试，在此位置，电压保护水平VPL至关重要；而等级1测试适用于对将直击雷击导引入地的避雷放电器(arrestor)的测试。
- This is not so.It is evident from the marketing material that I have studied that certain German SPD manufacturers infer or state that a service entrance requires a Class 1 tested device. 我从一些销售宣传资料中注意到，一些德国的SPD制造商指示或宣称在建筑物的进入端需要安装经过等级1测试的电涌防护器。
- a service elevator; the service entrance. 辅助电梯；辅助通道
- Federal Service Entrance Examination 联邦政府人员录用考试
- civil service entrance examination [法] 文官录用考试
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- The typewriter is at your service. 这台打字机随便你使用。
- A new bus line has been brought into service. 开辟了一条新的公共汽车线。
- Its slow service gave the restaurant a bad name. 这家餐馆因缺乏效率的服务搞得名声很坏。
- He filed for a civil service job. 他申请公务员的工作。
- He paid only lip service to the dictator. 他只以空洞的应酬话对付那个独裁者。
- He was praised for his meritorious service. 他由于出色地工作而受到称赞。
- We attended evensong as well as morning service. 我们参加了晚祷和晨祷。
- He was rewarded in recognition of his service. 他的贡献得到认可而受到嘉奖。
- Mr Perkins will take the evening service. 珀金斯先生将主持晚礼拜。
- The customer will go to law for the bad service. 这位顾客将为此恶劣服务诉诸法律。
- In a word, then, we should improve our service. 总之，我们应该改进我们的服务。
