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- This standard makes the installation of an SPD at the electrical service entrance compulsory for all new buildings. 此標準強制要求所有新的建筑物在電源進(jìn)入端安裝電源電涌保護器。
- The heavy-duty service entrance protector is too far away, inductance-wise, to be able to limit locally developed transients. 因為這個(gè)重型的進(jìn)線(xiàn)端的保護器，由于距離太遠、電感的原因，不能有效地抑制局部產(chǎn)生的電涌。
- "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，國際電工委員會(huì )IEC的61643-1標準的要求告訴了我們一個(gè)簡(jiǎn)單的事實(shí)：“等級2測試適用于對應用于建筑物進(jìn)入端的電涌防護器（SPD）的測試，在此位置，電壓保護水平VPL至關(guān)重要；而等級1測試適用于對將直擊雷擊導引入地的避雷放電器(arrestor)的測試。
- 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. 我從一些銷(xiāo)售宣傳資料中注意到，一些德國的SPD制造商指示或宣稱(chēng)在建筑物的進(jìn)入端需要安裝經(jīng)過(guò)等級1測試的電涌防護器。
- a service elevator; the service entrance. 輔助電梯；輔助通道
- Federal Service Entrance Examination 聯(lián)邦政府人員錄用考試
- civil service entrance examination [法] 文官錄用考試
- A 10% service charge is added on to the bill. 帳單上包括了百分之十的服務(wù)費。
- The typewriter is at your service. 這臺打字機隨便你使用。
- A new bus line has been brought into service. 開(kāi)辟了一條新的公共汽車(chē)線(xiàn)。
- Its slow service gave the restaurant a bad name. 這家餐館因缺乏效率的服務(wù)搞得名聲很壞。
- He filed for a civil service job. 他申請公務(wù)員的工作。
- Changxin Telecom Equip Installation Service Co. 昌信電信設備安裝服務(wù)公司。
- He paid only lip service to the dictator. 他只以空洞的應酬話(huà)對付那個(gè)獨裁者。
- He was praised for his meritorious service. 他由于出色地工作而受到稱(chēng)贊。
- We attended evensong as well as morning service. 我們參加了晚禱和晨禱。
- He was rewarded in recognition of his service. 他的貢獻得到認可而受到嘉獎。
- Mr Perkins will take the evening service. 珀金斯先生將主持晚禮拜。
- The customer will go to law for the bad service. 這位顧客將為此惡劣服務(wù)訴諸法律。
- In a word, then, we should improve our service. 總之，我們應該改進(jìn)我們的服務(wù)。
