airtight

• Occupational hazards control in the airtight working places
  密闭空间作业场所的职业病危害控制
• Airtight shutters - air permeability test ; german version en 12835 : 2000
  密封百页窗.透气性试验
• The life raft was buoyed up by two airtight oil drums
  那只救生筏是由两只密封的油筒浮起来的。
• A house that dad lives in airtight
  为什么你们不把房子给密封起来
• Airtight shutters - air permeability test
  气密百叶窗.透气性试验
• Airtight shutters - air permeability test
  气密遮板.透气性试验
• Please make the fruit jar airtight
  请把果酱罐密封。
• Please make the fruit jar airtight
  请把果酱罐密封
• Basal airtight fumigation in plastic skirts against dendroctonus valens
  塑料裙干基密闭熏蒸法防治红脂大小蠹试验
• The study and application of online clean for rubber ball airtight circulation
  换热器密闭循环在线清洗技术研究与应用