Internal back pressure cross-port design allows both rods to be retracted with the air off to easily clear jammed parts.
内部反压跨端口设计使两棒，与空气过收回以轻松地清除堵塞部分。
Internal back pressure cross-port design allows both rods to be retracted with the air off to easily clear jammed parts.
内部反压跨端口设计使两棒，与空气过收回以轻松地清除堵塞部分。
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