1.
Research of the Brush Seal Technique and Its Application in Steam Turbine Optimization Design
刷式密封技术及其在汽轮机优化设计中的应用
2.
It has two stem sealing: one is stuffing box and another is toroidal sealing ring( O-ring).
本阀阀杆密封分为两种形式:一为填料密封;一为O型密封环密封。
3.
joint gasket- or packing- type, of laminated metal foil

层压金属箔密封或填密封式接合衬垫
4.
Instantly sealing for the paper board& PP, PVC blister and the paper board not to deform, Instant heating, fully envelop perfectly for blister.
PVC 泡壳与印刷精美的纸板瞬间接合而纸板不会变形,瞬热式,泡壳可完全密封。
5.
Brushes of high seal performance are installed om sides of door columns.

门柱密封采用特有的双层毛刷增加了更好的密封性。
6.
Taper type hanger and straight type hanger are available for tubing head.

油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
7.
contained marine disposa

在海里作密封式的弃置
8.
mechanical seal with low back pressure

背面低压式机械密封
9.
closed aqueduct system

密封式输水管道系统
10.
blowout preventer of three stage packer type

三段密封器式防喷器
11.
combined labyrinth and crabon gland

迷宫和碳精组合式密封
12.
pressure balanced bearing seal

压力平衡式轴承密封
13.
oil sealed rotary vacuum pump

油密封式旋转真空泵
14.
non-contact sealed ball bearing

非接触式密封球轴承
15.
hermetically-sealed frerigerating compressor unit

密封式制冷压缩机组
16.
spring rotating machanical seal

弹簧旋转式机械密封
17.
spring standing machanical seal

弹簧静止式机械密封
18.
oiled sealed waterless gasholder

上油密封干式煤气柜