نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای outage bob:
n: a European term for a plumb bob that is attached to a metal dip tape and that is of sufficient weight to keep the tape taut and of such shape as to facilitate the penetration of any sludge that might be present on the datum plate of a tank. Also called outage bob.
n: a graduated plumb bob that is attached to a metal gauge tape and that is of sufficient weight to keep the tape taut.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
