hydraulic jumbo 中文意思是什麼
hydraulic jumbo
解釋
液壓臺車盾鉤-
Design of fm wireless remote controlling device on hydraulic rock drilling jumbo
液壓鑿巖鉆車調頻無線電遙控裝置設計 -
The discovery in improving efficiency of boomer281 hydraulic jumbo
281液壓臺車效率的探索
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