perform / involve filling up core
The technician performed the filling up core step carefully.
技术员小心地执行了埋入砂心的步骤。
埋入砂心
先理解核心含义,再看它在真实句子里的用法。
埋入砂心
a core that is embedded in sand during casting
The technician performed the filling up core step carefully.
技术员小心地执行了埋入砂心的步骤。
The operator is filling up core with a mixture of sand and binder.
操作员正在用砂子和粘合剂的混合物埋入砂心。
Before casting, the team must finish filling up core to the required density.
浇注前,团队必须完成埋入砂心至所需密度。
The machine automatically fills up core, saving time and labor.
这台机器自动埋入砂心,节省了时间和人力。
The technician performed the filling up core step carefully.
技术员小心地执行了埋入砂心的步骤。
Not this
We must fill up core before pouring metal.
Use this
We must complete the filling up core before pouring metal.
错误是将动词短语“fill up core”用作了名词短语。正确的术语是名词短语“filling up core”,在句中充当宾语,需搭配动词如“complete”或“perform”使用。
Not this
The core filling up is an important step.
Use this
The filling up core is an important step.
错误在于词序颠倒。正确的固定搭配是“filling up core”,其中“filling up”修饰“core”,而非“core”修饰“filling up”。
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