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worm-pipe
gen. 蜗〔蛇〕形管
hydroel.st. 盘管; 蜗形管; 蛇形管
worm pipe ['wɔ:mpaip]
met. 蜗形管; 盘管; 螺旋管
oil 蛇管
plast. 蛇形管
tech. 螺形管; 蜗轮管
worm-pipe
: 2 phrases in 1 subject
Technology2