bottom soil

短语词组

短語

• pile bottom off soil 懸樁
• ocean bottom soil sampling 大洋底質調查
• pit bottom soil 坑底土躰
• stream bottom soil 河底土壤
• pit bottom soil layer 坑底土層
• culture bottom soil 養殖底泥
• conditions of pile bottom soil 樁耑土層條件
• Ponds bottom soil quality improvement 池塘底質改良
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