您要查找的是不是：
- ring sealed tube 环封管
- In fact, actin ring seals tight unhelpful. 其实动环密封圈过紧有害无益。
- PTFE fibers separated from the main material, impregnating special lubricant, made of the woven rope or ring seal products. 由聚四氟乙烯割裂纤维为主体材料，浸渍特种润滑剂，经编织制成的绳状或环状密封产品。
- A ringed seal scans for polar bears before snatching a breath. 一只环斑海豹在浮出水面前扫视周围是否有北极熊。
- How Do Rings Seal Against Tremendous Combustion Pressure ?? 密封如何阻挡住巨大的燃烧压力？
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- Conclusion Sealing tube with heparin dilution is superior to sodium chloride in with pneumocardial disease. 结论：肺心病患者用稀释肝素液封管优于生理盐水。
- The tube is sealed at both ends. 这管子两端是密封的。
- STUDY ON BELLEVILLE RING SEAL OF ROLLER BIT 牙轮钻头碟形圈密封的试验研究
- The pressurizing tube sealing is to charge gas into the sealing tube by using controllable pressurizing system,so that the sealing tube has expansion deformation. 充压管密封是利用可控制增压系统向密封管内供应气体,使密封管产生膨胀变形来实现密封。
- stationary seal ring seal seatretainer 密封静环护圈
- Polar bears hunt ringed seals, which live under the Arctic ice. 北极熊猎食住在北极冰层下的环斑海豹，
- Standard Test Method for Sealed Tube Chemical Compatibility 密封管道化学物质的兼容性试验方法
- Usage: The line is mainly used for washing,ring sealing carbon dioxide drinksuch as carbon dioxidewatertea,aerated mineral water and so on. 途：本系列设备用于聚脂瓶装各种矿泉水、纯净水、果汁、酒类等不含气饮料的生产，在一机上实现冲瓶、罐装、封盖。
- The bears are slowly congregating along the coast, anticipating the winter freeze of Hudson Bay when they can get onto the ice and hunt their favorite meal of ringed seal. 这些北极熊在冬天慢慢地聚集到岸边，因为他们能在寒冷的冰层上猎到自己的美味环斑海豹。
- Standard Test Method for Sealed Tube Chemical Compatibility Test 管道的化学物质密封的标准试验方法
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了。
- Good ring sealing and detergency reduces the volume of the deposit forming materials that enter the crankcase, there-by extending the useful life of the crankcase oil. 良好的密封环和清净减少了存款形成材料，进入曲轴箱，因而延长了使用寿命曲轴箱油。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
