在线词典

分类:语言工具
在线词典,是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义,查询效率高、结果丰富,包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等,是外语学习者必备的在线查词工具。

For Continuous Pressure Application


网络释义
对于持续压力应用
This device is not to be used under continuous pressure. For continuous pressure application, specify Watts No. 800 Series pressure type vacuum breakers. Vacuum breakers are not designed, tested or approved to protect against backpressure backflow. For protection against backpressure backflow, install Watts No. 909 Series reduced pressure principle backflow preventers.
* 以上查询结果来自于网络,仅供参考。
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