香港六合彩开奖/AWI 24695

袩褉芯械泻褌写邪薪薪芯谐芯屑械卸写褍薪邪褉芯写薪芯谐芯褋褌邪薪写邪褉褌邪斜褘谢锌芯写谐芯褌芯胁谢械薪褉邪斜芯褔械泄谐褉褍锌锌芯泄.

孝械蟹懈褋

This document describes technical measures to be carried out at crossings and parallelisms of buried metal pipelines influenced by HVDC systems. It provides guidance on how the design, construction, operation, maintenance, and decommissioning phases of HVDC systems affect buried metal pipelines. Electrical interference conditions (AC and DC) to pipeline systems are described, and acceptable levels of interference are discussed. Minimum separation distances are recommended. The following aspects are not covered in this document: -Contractual responsibilities -Personnel safety

袨斜褖邪褟懈薪褎芯褉屑邪褑懈褟

孝械泻褍褖懈泄褋褌邪褌褍褋
: 袙褋褌邪写懈懈褉邪蟹褉邪斜芯褌泻懈

协褌邪锌
: 袪械谐懈褋褌褉邪褑懈褟薪芯胁芯泄褉邪斜芯褔械泄褌械屑褘胁锌褉芯谐褉邪屑屑械褉邪斜芯褌孝袣/袩袣 [20.00]
袙械褉褋懈褟
: 1
孝械褏薪懈褔械褋泻懈泄泻芯屑懈褌械褌 :
香港六合彩开奖/TC 67/SC 2
RSS&苍产蝉辫;芯斜薪芯胁谢械薪懈褟