JIS D 8005:2009 道路車(chē)輛.往復(fù)式內(nèi)燃?jí)嚎s-點(diǎn)火發(fā)動(dòng)機(jī).不透光度測(cè)量?jī)x器和廢氣吸光系數(shù)測(cè)定儀器
Road vehicles -- Reciprocating internal combustion compression-ignition engines -- Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas