HR15B igaragaramo amasahani ya tungsten: ingano nziza yintete, ubukana bwinshi, imbaraga nubukomere, kurwanya ubushyuhe, kurwanya ruswa, modulus nziza ya elastique, imbaraga zo kwikomeretsa cyane, imiti myiza ihamye (aside, alkali, okiside yubushyuhe bwo hejuru), coefficente yo kwaguka, i ...
Soma byinshi