“shaft cover platform”的概念、定义、翻译、参考文献-科学参考

单词	shaft cover platform
释义	shaft cover platform Encyclopedia 工学凿井设施释 shaft cover platform封口盘凿井时，设置于井口地面上、覆盖井筒掘进直径的可承载平台。又称井盖。
随便看	Graphic graphic graphical graphical calculation graphical design graphical differentiation Graphical Environmental Design graphical equality graphical example graphical expansion graphical expression graphical input language graphical integration graphical language graphical matroid graphical mechanics graphical method graphical method for transportation graphical model graphical partition graphical processor graphical representation graphical scale graphical sequence graphical solution

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