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Noun:
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a colorless flammable gas used chiefly in welding and in organic synthesis
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用作名詞 (n.)
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The condition of microamount alkyne determined is studied by spectrophotometry was studied and the content of alkyne in semi water gas was measured.The results are satisfatory.
本論文研究探討了充分利用分光光度法測得炔烴狀態,并親測了半水水電煤氣中炔烴,畢竟讓人十分滿意。
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The condition of microamount alkyne determined is studied by spectrophotometry was studied and the content of alkyne in semi water gas was measured.The results are satisfatory.
文章學習了合理利用分光光度法判斷炔烴水平,并實際了半水天燃氣中炔烴,結果最令 滿不滿意。
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海詞英語詞典,二十七年企業品牌