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Terms for subject Mechanics containing 封 | all forms
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两端封闭的two-ends-closed
全封剪断闸板blind shear ram
环形放喷器全封闭complete shut-off
金属对金属的密封全金属密封all metal sealing
双密封dual seal
双密封专用油管接头dual seal special tubing joint
双重密封电缆封隔器twin seal cable packer
增强的密封保护措施enhanced seal protection
套管外封隔器接箍external mechanical casing packer collar
套管密封腔容座casing seal receptacle
套管悬挂器及密封总成下入工具casing hanger and seal assembly running tool
密封件装置，总成seal assembly
密封垫圈linear seal ring
密封性压力试验pressure test for tightness
密封滚柱sealed roller
密封管理系统seal management system
密封试验隔离阀seal test isolation valve
密封面seal surface
封闭头closed head
电动机封闭式通风防漏enclosed ventilated drip proof
带密封滚柱轴承的动力机钻头motor bit with sealed roller bearing
弹性密封resilient seal
O 形环耐磨油封O-ring wear plate seal
接头内密封internal joint sealing
插入式密封扩眼器〔小狗䁀】plug-in seal pup
旋转轴密封rotary shaft seal
无铅密封装置leadless sealed device
星牌超级密封Star super seal
曼内斯曼超密封螺纹Mannesmann ultra seal thread
梁式引线密封连接beam-lead sealed-junction
正向绝对锁紧闩锁密封组件positive latch seal assembly
水泥填充式地层封隔器cement-filled formation packer
油压法强度和密封性试验oil pressure test for strength and tightness
浮动密封floating seal
特殊的轴承密封special bearing seal
直孔金属密封straight bore metal seal
粗糙套管的金属密封rough casing metal seal
自封闭关式，接通self-closing
衬管挂封隔器liner hanger packer
轴承密封圈bearing seal
轴承有效密封bearing seal effective
金属密封metal seal
金属密封环metal seal ring
金属面密封metal face seal
锁定式密封组件lock-down seal assembly
防砂砾石封隔器sand control gravel packer
面积受限式的密封措施restricted area sealing means

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