Prewinch

Prewinch markii ugu horaysay soo bandhigay ee Maraykanka ee 1940 iyo 1950. Waxaa markii hore loogu tala galay sida line a ilaalinta helical for fiirsashada stress iyo daxalka korontada iyo qaanso gubi ilaalinta fiilooyin qaawan. sannado badan oo horumarinta Ka dib, ka-xarig culeys lugu koriyo Pre ayaa si ballaaran loo isticmaalo gudbinta iyo qaybinta, isgaarsiinta fibre-optic, tareenka electrified, television cable, dhismaha, beeraha iyo beeraha kale.


waqti Post: Apr-08-2018
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