1.
Have multiplicity-sealing materials for user choose.
密封副材料的多样性，可供用户选择。
2.
Small open torque, seat almost without attrition and long serving life.
开启力矩小，密封副无摩擦转动，阀门使用寿命长。
3.
The valve is made up of body disc, axle, seal, actuator etc.
扇形闸门由本体、扇形闸板、轴、密封副、执行机构等部件构成。
4.
Fractal Characteristics of End Faces' Topography in Friction Pair of Mechanical Seals
机械密封摩擦副端面形貌的分形特性
5.
The key to design an auxiliary impeller seal is to determine the opposite pressure coefficient K.
反压系数的确定是设计副叶轮密封的关键。
6.
pressurizing window
密封封口(电缆), 气密口
7.
weatherstripping,thresholds & seals
密封条，门槛及密封胶
8.
a watertight compartment, joint, seal
水密室、 水密接合、水密封.
9.
interstage gland
级间密封，级间汽封
10.
To coat, pack, or seal with lute.
用封泥盖、包或密封
11.
roadways and service roads (repairing and resealing) (
修补及重封)车路及副路
12.
tighten up
密封, 拉紧, 拧紧
13.
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。
14.
oil pressure test for tightness
油密试验油压密封试验
15.
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
16.
the seal of the air-balancing cylinder adopts multi-stage seal;
气平衡缸密封部位采用多级密封装置 ;
17.
Hermetic: Airtight sealing of an object.
全密封：一种对物体不透气的密封。
18.
The Seal Structure Improvement of Multi-Seal Fuel Gas Separates
多密封燃气隔断闸阀密封结构的改进