“tread”的概念、定义、翻译、参考文献-科学参考

单词	tread
释义	tread 踏踏面踏伤胎面胎纹楼梯级宽楼梯踏板楼梯踏步板刃宽踩支撑面
随便看	invariant spinor algebra invariant state invariant statistic invariant statistics invariant strangeness invariant subgroup invariant subspace invariant surface invariant symmetrical elements invariant system invariant tensor field invariant test invariant theory invariant vector invariant volume element invar (plotting) scale invar steel invar tape invar wire invasin invasion invasion of grass invasion of insect pest invasion of weeds invasive

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