combination valve的用法和樣例：
例句
- The laser melting and covering technology was used to intensify the seal surfaces of the components of the combined valves of methylamine pumps in the production line of urea.
採用激光熔覆技術對尿素生產線上的甲胺泵組合閥零件密封面進行強化，激光強化的熔層表面光整，加工余量小，基體無變形。
combination valve的相關資料：
臨近單詞
combination box
combination
combination depth-and-angle gauge
combination Al electrolytic capacitor
Combination of simple harmonic motion
combination mass transfer coefficient
Combination of Planning and Accounting
combination with cervical plexus block
combination of virtualness and reality
combination density and moisture meter
combination of learning and reflecting
combination difference quotient method
