single-rope grab 中文意思是什麼
single-rope grab
解釋
單索抓鬥-
The hydraulic open - close system analysis and the troubleshooting for the marine single rope grab
船用單繩抓鬥液壓開合系統分析與故障診斷 -
Specification of single - rope timber grab
單索木材抓鬥技術條件
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