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scum board
meaning in English
浮渣挡板
拦渣板
Related Words
scumming
scum baffle
refinery scum
scum riser
scum press
scum nozzle
sea scum
resist scum
scum net
lava scum
scum blow-off cock
scum blow-off valve
scum box and baffle
scum breaker
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