我们试遍了所有能想到的调整都无济于事，最后决定换浆。
After my dad and I exhausted all the tweaks we could think of, we decided to swap several sets of blades for AB test.
洗浆桶，换拼装机密封条，做每周保养。
Clean the mortar tanks, change seals on erector and do weekly maintenance.
洗浆桶，换拼装机密封条，做每周保养。
Clean the mortar tanks, change seals on erector and do weekly maintenance.
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