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农业灌溉设备 过滤器 过滤等级验证
参考页数:10
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污水污物潜水电泵
Waste submersible motor-pumps
参考页数:27
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灌溉设备 化学灌溉用安全装置 第2部分:DN 75(3〞)至 DN 350(14〞)的化学灌溉阀组件
参考页数:10
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陆地排水用2至60英寸[50至1500 mm]环形波纹型材壁聚乙烯(PE)管和配件的标准规范
Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications
参考页数:8P.;A4
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用密封内环双环渗透仪现场测量渗透率的标准试验方法
Standard Test Method for Field Measurement of Infiltration Rate Using Double-Ring Infiltrometer with Sealed-Inner Ring
参考页数:7P.;A4
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陆地排水用2至60英寸[50至1500 mm]环形波纹型材壁聚乙烯(PE)管和配件的标准规范
Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications
参考页数:8P.;A4
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用密封内环双环渗透仪现场测量渗透率的标准试验方法
Standard Test Method for Field Measurement of Infiltration Rate Using Double-Ring Infiltrometer with Sealed-Inner Ring
参考页数:7P.;A4
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