access openings造句

• Tanks . round inspection or access openings
  容器.圆形检查或出入开孔
• Access openings 500 for boilers
  锅炉的500检查口
• Access openings 450 450
  450 450的检查孔
• Safety of machinery - human body measurements - principles for determining the dimensions required for access openings
  机械的安全性.人体测量.人出入机器的通道开口所需尺寸的确定原理
• Safety of machinery . human body measurements . part 2 : principles for determining the dimensions required for access openings
  机器的安全性.人体测量.第2部分:通道开口所需尺寸的测定原则
• Safety of machinery - human body measurements - part 2 : principles for determining the dimensions required for access openings ; german version en 547 - 2 : 1996
  机械安全性.人体测量.第2部分:通道口尺寸测定原理