| |||
PI | |||
polyisocyanate | |||
polyisocyanurate; polymeric polyisocyanate | |||
polymeric isocyanate | |||
polyisocyanate polymeric isocyanate |
聚 异氰酸酯 : 66 phrases in 7 subjects |
Chemistry | 22 |
General | 2 |
Oil / petroleum | 1 |
Plastics | 10 |
Polymers | 24 |
Refrigeration | 1 |
Technology | 6 |