“pastel chalk”的概念、定义、翻译、参考文献-科学参考

单词	pastel chalk
释义	pastel chalk 彩色粉笔
随便看	driving pinion driving plate driving point driving point admittance driving-point admittance driving-point characteristic driving point function driving-point impedance driving point impedance driving power driving pulley driving pulse driving rain driving ram driving range driving resistance driving rod driving roller driving rolls driving rope driving screw driving shaft driving shaft dowel driving shaft motor driving shaft universal joint fork

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