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acetylene造句
Alleneisanisomerofmethylacetylene.Therefore,high-qualityselectionofacetyleneitisparticularlyimportant.Acetyleneisaonehundred-year-oldmetalcuttinggas,acetyleneprocessofhighquantityofheat,highstabilityh...
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dissolved acetylene造句
ValvesfordissolvedacetylenecylindersPeriodicinspectionandevaluationofdissolvedacetylenecylindersMethodsoftestforporousmassofdissolvedacetylenecylinders...
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acetylene generator造句
carbidetowateracetylenegeneratorwatertocarbideacetylenegeneratorThispaperanalysestheexplosivenessofacetyleneandcauseleadingtoexplosionofacetylenegenerator,andputforthspecificmeasurestoensuresafeoperat...