Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Neno halijajumuishwa kwenye tovuti hii 'Radnevomabadiliko ya umeme ya ujenzi', unakaribishwa kuunda :)
Muhtasari:When sampling in bulk gasoline barrels, samples shall be selected according to % of the number of gasoline barrels, but [Soma maandishi yote]