main longeron是什么意思 main longeron怎么读
main longeron的用法和样例
- The main girders support I-section transverse ribs.
主梁支承着工字梁的横向肋。 - Mobile belt tail pieces' pedestal main girder is a main support of the ambulant components and stageloaders.
自移机尾基架主梁是小车和转载机机头的主要支撑体。
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