Polime dùng làm ống dẫn nước, đồ giả da, vải che mưa là :
Polime dùng làm ống dẫn nước, đồ giả da, vải che mưa là :
 | Trần Bảo Ngọc | Chat Online |
| 03/09 12:12:51 (Hóa học - Lớp 12) |
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