南水北调与水利科技__期刊 关键词: 水闸管理;检查维修;养护措施;安全运行 [gap=910]Key words: sluice management;inspection and maintenance;conservation measures;safe operation
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... wildlife conservation 野生动物保护 conservation measures 保护措施 conservation of energy〔momentum〕 能〔动〕量守恒 ...
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Preventive conservation measures 预防性养护措施
soil and water conservation measures [土壤] 水土保持措施
soil conservation measures 土壤保持措施
water conservation measures 节水措施 ; 保水措施
water and soil conservation measures 水土保持措施
Energy Conservation Measures 措施
oil conservation measures 节油措施
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