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跟上最新的水喷淋技术由于水喷淋技术的改进，制造厂会研制出与现有标准不符的新产品和新的安装要求。我们的职责是使其不断进展，合乎时代需要。一、水喷淋头自从１９５３年采用标准自动水喷淋头以来，在自动水喷淋头设计方面的变化之快以最近这十三年最为显著。这种变化...
Keep up with the latest water sprinkler technology As water sprinkler technology improvements, manufacturers will develop new products and new installation requirements that do not conform to existing standards. Our duty is to keep making progress to meet the needs of the times. A water sprinkler Since the adoption of a standard automatic water sprinkler in 1953, the change in the design of automatic water sprinklers has been most marked by the recent thirteen years. This change ...