吕氏英汉字典[简体]:
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hydrotechnical amelioration
"hydrotechnical amelioration" Chinese translation ("hydrotechnical amelioration" in Chinese, "hydrotechnical amelioration" 中文翻译, "hydrotechnical amelioration"发音):
hydrotechnical amelioration
水利技术土壤改良 [水利技术土壤改良]
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