resin volume fractions的用法和樣例：
例句
- The steadiness of resin content in prepreg is the key factor to ensare the quality of the finished compos-ite.
預浸帶的樹(shù)脂含量穩定性是保證復合材料制品質(zhì)量的重要因素。 - This indicated that the resin excreting speed of pines was negatively correlated with disease resistance to Bursaphelenchus xylophilus.
因此，樹(shù)干泌脂速度或樹(shù)脂含量可能是評價(jià)松樹(shù)對松材線(xiàn)蟲(chóng)病抗性的重要性狀之一。
