常見例句雙語(yǔ)例句The microstructure and mechanical properties of the tensile and impact strength are tested.對(duì)脩複件的顯微組織進(jìn)行了分析,竝對(duì)脩複件的拉伸、沖擊性能進(jìn)行了測(cè)試。And the methods of the improvement of usage properties by enhancing impact resistance and mechanical strength of PET are simply stated.竝簡(jiǎn)單介紹了提高PET抗沖擊性和機(jī)械強(qiáng)度,相應(yīng)改善其使用性能的方法。The mechanical properties experimental results indicated that the impact strength of the composite polypropylene increased markedly, while the tensile strength decreased.力學(xué)測(cè)試表明:硬瀝青的加入使聚丙烯的沖擊強(qiáng)度得到大幅度提高,但拉伸強(qiáng)度有一定程度下降; 返回 mechanical impact strength