blowing agents的用法和樣例：
例句
- In this paper, the recent research developments of blowing agent applied for foamed aluminum are investigated.
綜述了國內外發泡劑的種類和特點以及在泡沫鋁中應用的最新研究進展。 - The selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly introduced.
簡要介紹硬質聚氨酯泡沫塑料的發泡劑選擇和改進阻燃性的方法。
