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關注:1
2013-05-23 12:21
求翻譯:The top section of the absorption column was filled with structured wire-ripple stainless steel packing BX500,while the lower section with sting-ripple packing BX250Y.是什么意思?![]() ![]() The top section of the absorption column was filled with structured wire-ripple stainless steel packing BX500,while the lower section with sting-ripple packing BX250Y.
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