نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای spirit level:
n: a device consisting of a scribed tube partially filled with a viscous liquid (spirit) that is designed to determine a horizontal line or plane. Since the tube is only partially filled, a bubble forms. By checking where the bubble rests between the scribed lines on the tube, one can determine whether an object is level.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
