γ-六六六
hexachloro-cyclohexanes γ-HCH
丙体-六六六
gamma hexachlorocyclohexane
六角柄六角套筒头加长杆
hexagon drive extension for hexagon insert bits
六六六
HCH
hexachlorcyclohexane
hexachlorocyclohexane
Hexachloro-cyclohexane
BHC
hexachloro-ccyclohexane
666
Hexachlorocyclohexanes
hexachlorocyclohexane HCH
Bexachlorocyclohexane BHC
hexachlorocyclohexane((HCH
HCHs
HC
Hexachlorocyclohexance
DDTs
hexachlorocyolohexane
atter
benzene hexachloride
Arrhenius activition energy
a boiled shirt
Benzenehexachloride
benzene hexachloride pesticides
六六六HCH
hexachlorocyclohexane HCH
1型六角螺母
hexagon nuts
style 1--Product grades A and B
2型六角螺母
hexagon nuts
style 2--Product grades A and B