square-set and back-filling method square-set area square-set cap square-set hammer square-set method square-set sloping square-setted square-set timbering square sexagesimal measure square shovel square stellite square stock square-stroke engine square taper washer square the end square thread square threaded screw square-thread tool square timber square-up |
square-set and back-filling method мин. система на разработване със скелетен крепеж и запълване Търсената дума е намерена |