DuraSeal硬脑（脊）膜密封系统（DuraSeal Dural Sealant System），被用于硬脑（脊）膜（dura mater）外科手术中，涂布于颅缝（缝线）上以防脑脊液自切口处渗出硬脑(脊)膜，衬于颅骨内面，是覆盖...
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本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状，转子内流系统应用气膜密封的有关研究进展。
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.
齿轮油应改为更频繁地操作车辆或灰尘或龌龊的条件，设备，除非齿轮系统妥善密封，膜型呼吸器装备。
Gear oils should be changed more frequently when operating vehicles or equipment in dusty or dirty conditions unless the gear system is properly sealed and equipped with membrane type breathers.
介绍了垃圾卫生填埋场防渗系统中密封材料HDPE膜及GCL的主要性能及特点。
This article introduces the main functions and features of HDPE membrane and GCL used as the water resistance material for the refuse landfill site.
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