常見例句雙語例句New type phenol resin and its process development are briefly introduced in this paper.本文簡單介紹了國內(nèi)外新型酚醛樹脂及其復(fù)合材料工藝的進(jìn)展情況。A new technology of cast hollow valve jib using phenol resin sand in 2ZZ8640 hot box shoot core machine is described.介紹了利用酚醛樹脂砂在2ZZ8640型熱芯盒射芯機(jī)上，制造空心氣門挺桿的鑄造新工藝。The rheological behaviors and curing properties of 213# phenol resin were studied using a rheometer and a differential scanning calorimeter.利用流變儀和熱分析儀對213#酚醛樹脂的流變行為和固化反應(yīng)進(jìn)行了研究。 返回 phenol resin