combination valve的用法和样例：
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.
采用激光熔覆技术对尿素生产线上的甲胺泵组合阀零件密封面进行强化，激光强化的熔层表面光整，加工余量小，基体无变形。
combination valve的相关资料：
临近单词
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
