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关注:1
2013-05-23 12:21
求翻译:Connect the tubing to the 1,3-butadiene cylinder and crack the valve on this cylinder so that there is a constant flow of vapors from the end of the tubing which must be at room是什么意思?![]() ![]() Connect the tubing to the 1,3-butadiene cylinder and crack the valve on this cylinder so that there is a constant flow of vapors from the end of the tubing which must be at room
问题补充: |
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