“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	prestressed concrete cylinder pipe prestressed concrete structure prestressed jack prestressed steel bar binding machine prestressedsteel heading prestressed steel tensioning machine prestressed strand prestressed structure prestressed tendons with anchors prestressed tendons with connectors prestressed wire prestressing prestressing technique prestressing tendon prestretching prestripping prestructure presubscript presumption presumption of causation presumption of constitutionality presumption of fault presumption of innocence presumptive pre-supernova

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