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This paper reports the development of a soil gas sampling device.
本文报道了研制的土壤气体采集装置。
youdao
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The glacier influence of Quaternary Period affect soil development obviously;
土壤发育受第四纪冰川影响明显，成土年龄短；
youdao
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The glacier influence of Quaternary Period affect soil development obviously;
土壤发育受第四纪冰川影响明显，成土年龄短；
youdao