The plug-in approach uses modular architecture that supports expanding and extending existing method content with new methodology and technology guidance.
该插件程序方法使用模块化体系结构，它能够支持通过新的方法和技术指导，对现已存在的方法内容加以扩展。
A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
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