“full section ballast cleaning machine”的概念、定义、翻译、参考文献-科学参考

单词	full section ballast cleaning machine
释义	full section ballast cleaning machine Encyclopedia 工学铁路养路机械释 full section ballast cleaning machine全断面清筛机对线路及道岔区道床全断面道砟进行清筛，具有挖掘、筛分、回填布砟和抛出污土等作业功能的轨道作业机械。分为线路清筛机和道岔清筛机。
随便看	positive linear functional positive linear operator positive link positive literal positive logic positive logical calculus positive logical formula positive lossless storage positively definite positively definite form positively definite kernel positively definite matrix positively definite quadratic form positively graded module positively invariant subspace positively oriented base positively semi-definite positively stable point positively stable solution positive manifold positive map positive mapping positive mass conjecture positive matrix positive measure

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