金屬信箱 的英文怎麼說
中文拼音 [jīnzhǔxìnxiāng]
金屬信箱
英文
letter boxes of metal-
Joint boxes for pressure gas supervised telecommunication cables, metal sheathed ; internal joint boxes
帶金屬護套的壓力氣體監控的通信電纜的電纜交接箱.內If the optical fiber were brought directly into the cabinet, then it would be unnecessary to provide any data line or telecom protection, since there would not be a metallic pathway for transient voltage to enter into the equipment
如果光纜直接進入箱體內,則無須做任何數據線或信號線的保護,因為沒有金屬導體路徑能讓電涌電壓進入到設備內部。It is recommended that twisted pair wiring and coaxial cabling be provided with suitable data line protection, at the point where the signals penetrate the metal cabinet walls, with the protectors referenced to the metal cabinet by a short wire ( < 15cm )
如果光纜直接進入箱體內,則無須做任何數據線或信號線的保護,因為沒有金屬導體路徑能讓電涌電壓進入到設備內部。Postal services - apertures of private letter boxes and letter plates - requirements and test methods ; german version en 13724 : 2002
郵政業務.私人信箱和信箱投信口金屬板縫隙要求和試驗The only access points for transients are via the ac or dc power line wires and all of the data and telcom signal wiring that enters and leaves the cabinet
電涌的唯一進入通道是交流或直流電源線及所有進出金屬箱的數據線和信號線。分享友人