bottom soil

短语词组

短语

• pile bottom off soil 悬桩
• ocean bottom soil sampling 大洋底质调查
• pit bottom soil 坑底土体
• stream bottom soil 河底土壤
• pit bottom soil layer 坑底土层
• culture bottom soil 养殖底泥
• conditions of pile bottom soil 桩端土层条件
• Ponds bottom soil quality improvement 池塘底质改良
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