- screw cylinders
- пласт.• шнеков цилиндър
English-Bulgarian polytechnical dictionary . 2013.
screw cylinders
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lag screw — noun a heavy woodscrew with a square or hexagonal head that is driven in with a wrench • Syn: ↑lag bolt • Hypernyms: ↑woodscrew * * * noun Etymology: lag (VI); from its original use in securing lags to drums or cylinders : a … Useful english dictionary
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