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general principle quantities units hydropower quantities general quantities water conservancy 2.2-1998 water conservancy serum products circular cross-section metal steel wires exception quantities
SL 2.1-1998 in English

SL 2.1-1998 in English

SUPERSEDED

General principle quantities units and symbols -- water resources and hydropower

  • Issued on:1998-06-09
  • Implemented on:1998-08-01
  • File Format:PDF
  • Delivery:Via email within 5 business days
Price(USD): $420.00
$408.00


Scope

This standard applies to the determination and use of quantities, units and symbols in the technical field of water conservancy and hydropower. This standard is one of three water conservancy and hydropower quantity and unit standards. The three standards are: SL 2.1-1998 General principles for water conservancy and hydropower quantities, units and symbols; SL 2.2-1998 Water conservancy and hydropower general quantities and units; SL 2.3-1998 Water conservancy and hydropower professional quantities and units.

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