管的

• Wc pans and wc suites with integral trap
  带整体放泄弯管的抽水马桶和整套抽水马桶
• Standard specification for concrete drain tile metric
  混凝土排水瓦管的标准规范
• The length of the laser tube was reduced ten times
  雷射管的长度缩短了十分之九。
• Copper and copper alloys . eddy current test for tubes
  铜及铜合金.管的涡流检验
• Wc pans and wc suites with integral trap
  带整体放泄弯管的抽水马桶和抽水马桶组件
• Application and care for small power transmitting tubes
  小功率发射管的使用和维护
• Standard specification for asbestos - cement pressure pipe
  石棉水泥压力管的标准规范
• Heavy duty contact pressure gauges with bourdon tube
  有波登管的高压接点压力表
• The enhanced heat transfer of spirally corrugated tube
  单头螺旋槽管的强化换热研究