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关注：1
2013-05-23 12:21
求翻译：Observe that all block and bypass valves (hand operated) are opened or closed according to their function in the system. It is often necessary to open a normally closed valve or vice-versa during initial setting up a system, and sometimes during startup to prevent over-pressurizing oil filter elements, etc. The operat是什么意思？ 待解决
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Observe that all block and bypass valves (hand operated) are opened or closed according to their function in the system. It is often necessary to open a normally closed valve or vice-versa during initial setting up a system, and sometimes during startup to prevent over-pressurizing oil filter elements, etc. The operat
问题补充： |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
