Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:For the leakage that has already occurred, find the leakage point first, which can not be ignored. Kwa nafasi yenye pand[Soma maandishi yote]
Muhtasari: ikiwa ni pamoja na vurugu za viwanda vya umeme.KastsyukovichyOil leakage of cast iron partsSauti za mabadiliko ya aina [Soma maandishi yote]