滚焊机

seam welder

硝烟滚滚

billows of gunpowder smoke

尘烟滚滚

clouds of dust churning

滚轧机

roll machine; rolling mill/machine; roller

滚滚雷声

crushing rolls of thunder

滚削钢

hobbing steel

圆滚滚的脸蛋儿

chubby face

热滚滚的开水

boiling hot water

茶叶滚切机

tea rolling cutter

线材滚轧机

wire rolling mill

滚螺纹机

thread roller

圆滚滚的小肥猪

podgy pigling

滚滚

rolling; surging; billowing; tumbling; gushing