暂时中止 发表于 2025-3-28 18:27:48
http://reply.papertrans.cn/63/6297/629685/629685_41.pngAXIS 发表于 2025-3-28 19:11:17
http://reply.papertrans.cn/63/6297/629685/629685_42.pngANTI 发表于 2025-3-29 01:17:28
http://reply.papertrans.cn/63/6297/629685/629685_43.png希望 发表于 2025-3-29 05:58:40
http://reply.papertrans.cn/63/6297/629685/629685_44.png高深莫测 发表于 2025-3-29 11:06:58
http://reply.papertrans.cn/63/6297/629685/629685_45.png哑巴 发表于 2025-3-29 13:59:46
Udo Branahln tracing the identity to the brilliance of Dr. Leo Baekeland. Phenolic resins remain as a versatile resin system featuring either a stable, thermoplastic novolak composition that cures with a latent source of formaldehyde (hexa) or a heat reactive and perishable resole composition that cures therma多产子 发表于 2025-3-29 19:08:50
http://reply.papertrans.cn/63/6297/629685/629685_47.png疼死我了 发表于 2025-3-29 23:42:12
http://reply.papertrans.cn/63/6297/629685/629685_48.pngoverweight 发表于 2025-3-30 03:03:49
Udo Branahln tracing the identity to the brilliance of Dr. Leo Baekeland. Phenolic resins remain as a versatile resin system featuring either a stable, thermoplastic novolak composition that cures with a latent source of formaldehyde (hexa) or a heat reactive and perishable resole composition that cures therma