test valve造句

• Cylinder test valve
  汽缸积水试验阀
• Alarm test valve
  报警测试阀
• Test kit contains : gauge , test valves , hoses , adaptors , securing strap , instruction guide and lightweight case
  检测组件包括：仪表，测试阀，软管，适配器，安全带，说明书和轻便箱盒。
• Test kit contains : gauge , test valves , hoses , adapters , securing strap , instruction guide and lightweight case
  检测组件包括：量表，检测阀，软管，适配器，安全带，说明书和轻型工具盒。
• According to the current employed condition of valves in industry . the database is developed in order to be convenient for using , maintenance and testing valves
  根据目前石油、石化企业阀门使用、维护、检测和更换的现状，结合阀门泄漏声学检测仪器，开发在用承压阀门使用、维护、检测和更换数据库软件。