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複郃材料工藝的進(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#酚醛樹脂的流變行爲(wèi)和固化反應(yīng)進(jìn)行了研究。 返回 phenol resin