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油田采出水用于注汽锅炉给水处理设计规范
Code for design of oilfield produced water used as steam generator feed water after treatment
价格：￥0.00
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空气压缩机压力控制器
Pressure control for air compressor
价格：￥0.00
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全液压转向器配套阀 组合阀块
Hydraulic steering unit counterpart valve — Combinatory valve block
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液压泵站 油箱 公称容积系列
Hydraulic fluid power——Power units——Nominal capacities of reservoir
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调速型液力偶合器 叶轮技术条件
Variable speed fluid couplings-Specification for impeller
价格：￥0.00
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