“水力扩张式封隔器”的概念、定义、翻译、参考文献-科学参考

单词	水力扩张式封隔器
释义	水力扩张式封隔器 Encyclopedia 工学桥塞释 hydraulic expansion packer水力扩张式封隔器通过使胶筒内部压力大于外部压力（即使油管压力大于套管压力）而扩张，封隔油、套管环形空间的封隔器。
随便看	aeroclimatology aerocolloid aerocraft actuator aerocraft control method aerocraft coordinate system aerocrete/air-entrained concrete aero-derivative gas turbines aerodiesel aerodome aerodone aerodonetics aerodrome airfield area aerodrome capacity aerodrome control zone aerodrome obstacle free space aerodromometer aeroduct aerodynamic aerodynamic basic methods aerodynamic basic theory aerodynamic centre aerodynamic characteristics aerodynamic characteristics of blades aerodynamic characteristics of helicopter rotor aerodynamic characteristics of launch vehicle

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