There are also sealing washers on the plates, which are used to seal pas-sages and lead fluids into passages alternatively.
板上装有密封垫圈，用以密封通道并将流体交替引导到通道中。
There are also sealing washers on the plates, which are used to seal pas-sages and lead fluids into passages alternatively.
板上装有密封垫圈，用以密封通道并将流体交替引导到通道中。
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