为此，用双手克服上减震器环的阻力拔下固定器。
To do this use both hands to pull off the retainer against the resistance of the upper damping rings.
在先锋TS - W307F汽车扬声器系统支持单抗耐克斯减震器的阻尼环，大型磁体以及高功率电机装配连同其扩展冲程设计。
The Pioneer TS-W307F car loud speaker system support Single conex damper with damper ring, Large magnet and high-power motor assembly together with its Extended excursion design.
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