道球 meaning in Chinese
earth
Examples
- Year 2007 prasidha kendo racket made in germany , on sales now !
百希达kendo剑道球板德国制造,现已公开发售！ - The correct installation of ball valve and internal leak detection for gas transmission pipeline
输气管道球阀的正确安装及内泄漏检测 - Clean or replace gate valve with full port ball valves or resilient wedge shutoff valves
1用全流道球阀或弹性楔板关闭阀清洗或更换闸阀。 - Full - port ball valves provide pressure drop equal to equivalent length of pipe , and even slightly better than gate valves
不缩径，全流道球阀提供的压降安全取决于管道的长度，甚至比闸阀还要好一些。 - Full - port ball valves provide pressure drop equal to equivalent length of pipe , and even slightly better than gate valves
不缩径全流道球阀具有不影响整个管道压降的性能，在此方面，甚至比闸阀性能更加优异。