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river sand-mining planning
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river sand-mining planning
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river sand-mining planning
河道采砂规划
为限制滥采乱挖砂石,使河道砂石资源得到科学合理的利用,保障防洪安全、通航安全、供水安全和基础设施安全,指导采砂活动科学、可控、有序地开展而制定的总体安排。
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trough-style pulp beater
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trough valley
troupe affair day
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trousers
trousers made of taquete-silk with heli-pattern
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