rod shaperɔdʃeip短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 杆状 The observation by means of SEM show that the state in which the rigid chain PAM in nylon—6 is rod shape crystal which use chain or chain— bunch as core, and nylon—6 as coating. SEM观察结果表明：刚性链 PAM在尼龙—6中的存在形式为：以链或链束为核，以尼龙—6结晶为表的棒状结晶体。 cnki