清理电磁阀内部灰尘，因为灰尘会弄脏电磁阀内部膜片，从而产生间隙，导致漏

Clean up the dust inside the solenoid valve, because the dust will stain the inner diaphragm of the solenoid valve, resulting in gaps, resulting in air leakage and weak injection, and ultimately resulting in excessive dust accumulation in the bag

Clean up the dust inside the solenoid valve, because the dust will stain the internal diaphragm of the solenoid valve, resulting in gaps, resulting in leakage and blowing weakness, resulting in excessive dust accumulation in the cloth bag

Clean up the dust inside the solenoid valve, because the dust will contaminate the inner diaphragm of the solenoid valve, resulting in a gap, resulting in air leakage and weak injection, and eventually lead to excessive dust accumulation in the bag<br>