A.少量吸入對(duì)人體無(wú)害B.會(huì)易燃易爆,吸入對(duì)人體有害C.會(huì)導(dǎo)致設(shè)備被腐蝕
A.15#B.18#C.25#
A.酯類油B.動(dòng)植物油C.礦物油