较强的适应能力，能够承受一定的压力，主动性强。
Must demonstrate initiative, tolerance for stress, adaptability to impact.
由于压电叠层作动器只能承受压力，为了保证压电智能主动杆能够承受一定的拉力，设计了预压装置。
As the piezoelectric stack actuator can withstand pressure only, a preload device is designed to ensure that the intelligent active member can experience tensile stress.
由于压电叠层作动器只能承受压力，为了保证压电智能主动杆能够承受一定的拉力，设计了预压装置。
As the piezoelectric stack actuator can withstand pressure only, a preload device is designed to ensure that the intelligent active member can experience tensile stress.
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