The cartridge is formed by two concentric cylinders, an inner fine wire mesh screen and an outer wire mesh screen.

墨盒是由两个同心圆筒，一个内细丝网屏幕和一个外网的屏幕。

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The cartridge is formed by two concentric cylinders, an inner fine wire mesh screen and an outer wire mesh screen.

墨盒是由两个同心圆筒，一个内细丝网屏幕和一个外网的屏幕。

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