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farmland protection
释义
farmland protection
Encyclopedia
农学
农业水土工程
释
farmland protection
农田防护
对农田实施生物或工程措施建立的防护体系。旨在达到有效防灾、高产稳产、方便作业、改善生态环境等目的。
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Precious Metal Material for Hard-ware
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precious metals environmental protection materials
precious metals for brazing
precious metals for crucible material
precious metals for electrical contact
precious metals for jewelry
precious metals for sensor
precious metals for temperature measurement
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