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humic fertilizers
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humic fertilizers
Encyclopedia
工学
新型肥料
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humic fertilizers
腐殖酸类肥料
以泥炭、褐煤、风化煤、秸秆和木屑等为主要原料,经过化学处理或再掺入无机肥料而制成的新型肥料。是一种含有腐殖酸类物质的新型肥料,也是一种多功能肥料。简称腐肥。
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service innovation and design
service institutions for the disabled
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service level
service level agreement
service level agreement, SLA
service level objective
service life
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serviceman cadres retirement system
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Servicemen's Readjustment Act
Servicemen's Readjustment Act of 1944
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