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【转帖】which is the nominal distance from highlow pressure natural
which is the nominal distance from high&low pressure natural
which is the nominal distance to construck (house etc.)from high & low pressure natural gas tube ? check out our whitepaper library. i think this is the wrong forum to ask. try civil or arch eng forums. chris sr. mechanical designer, cad solidworks 05 sp0.1 / pdmworks 05 |
所有的时间均为北京时间。 现在的时间是 04:34 PM. |