Molecule movement of MA-PPC is less sensitive than that of PPC and MA-PPC is more stable.

PPC的分子运动没有PPC那样对温度十分敏感，表现得比较稳定。

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If the pilot valve spring coupled driven sleeve, inhibited the spring swing to lead more stable valve movement.

若导阀弹簧配上导向套筒，则可抑制弹簧的摇摆，使导阀芯运动更平稳。

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Electronic tapping contacts, no mechanical movement, extend life, and the control is more sensitive and more stable when tapping.

电子式攻牙接触器，无机械动作，可延长使用寿命，而且控制更灵敏，攻牙时更稳定。

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It is more stable, it is capable of rapid manoeuvres and movement, and it can roll in any direction.

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