Duo to the coexistence of chains scission and crosslinking, viscosity for PA66 increases to 50%, but for PP and PBT the viscosity number decrease much.是什么意思_Duo to the coexistence of chains scission and crosslinking, viscosity for PA66 increases to 50%, but for PP and PBT the viscosity number decrease much.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句