downcomer downcomer tube downcoming wave down counter downcut down-cut milling down-cut shears down-cutting down-cutting tool down-draft kiln down-draught down-draught carburator down-draught carbureter down-draught carburetter down-draught carburettor downfall down flow down-flow pipe down-flue boiler down gate |
downcomer циркулационна тръба Търсената дума е намерена |