Technical Specification for Ecological Culture of Chinese Mitten Crab in Pond and Net-pen in Lake
发布日期:2007-09-14 实施日期:2007-12-01
Determination of volume of water and water level in lakes and reservoirs
发布日期:1997-09-01 实施日期:1997-09-01
Code of Hydrology for lnland Navigation Engineering
发布日期:2011-08-29 实施日期:2012-01-01
Fliessmessung in offenen Gerinnen. Einrichtung und Betrieb einer Messstelle Measurement of Liquid Flow in Open Channels Part 3:Stream Flow Measurement Part 3B:Guide for Establishment and Operation of a...
实施日期:1997-02-15
实施日期:2006-08-01
实施日期:2008-01-01
Standard Specification for Trinidad Lake Modified Asphalt
实施日期:2005-06-01
Bank based test method of the operational performance of marine radar
发布日期:1989-12-29 实施日期:1990-06-30
Low-voltage electrical installations - Part 1: Fundamental principles, assessment of general characteristics, definitions
实施日期:2009-06-01
Water quality - Sampling of fish with multi-mesh gillnets
实施日期:2005-11-01
Standard Guide for Monitoring Sediment in Watersheds
实施日期:1997-06-10
parameters of ecological type of lake fishery
发布日期:2008-05-16 实施日期:2008-07-01
Current meter and flow meter - Part 2: Ultrasonic current meter
发布日期:2012-09-03 实施日期:2013-02-01
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