Việt
sự tẩy sạch
gõ gỉ
sự khử cặn
Anh
descaling
scouring
sludge removal
cleaning
flush
scavenging
scour
wiping
descaling /hóa học & vật liệu/
descaling /ô tô/
descaling, scouring, sludge removal
cleaning, descaling, flush, scavenging, scour, scouring, wiping