香港六合彩开奖 15886-1:2012

Published (Edition 2, 2012)

This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

香港六合彩开奖 15886-1:2012

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Abstract

香港六合彩开奖 15886-1:2012 defines terms related to irrigation sprinklers and specifies the classification of sprinklers according to the following categories: physical factors; characteristics of the water spray; the mechanism for operation and water distribution; the mechanism for sealing; the intended use; additional functions incorporated into the sprinkler. The scope is intentionally broad to cover the widest possible range of sprinkler construction, performance, and intended-use alternatives.