In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed...

还对乙丙橡胶用量、增塑剂用量、发泡剂用量和岩棉用量对材料吸声性能的影响做了研究。

youdao

In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed. Optimum base...

还对乙丙橡胶用量、增塑剂用量、发泡剂用量和岩棉用量对材料吸声性能的影响做了研究。

youdao

Robed in layers of Under Armour and wool, plus masks, liners, and hand-warmers, I welcome snow blowing horizontally and the single-digit wind-chill factor.

FORBES: Go with the Floe