top trolley 中文意思是什麼
top trolley
解釋
爐頂小車-
Why are there reindeer on top of that trolley car
為什麼這些馴鹿要站在這部電車的頂端? -
Interpretations : overhead and gantry cranes top running bridge, single or multiple girder, top running trolley hoist
說明書:高架和龍門起重機說明
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