manually actuated 中文意思是什麼
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Forestry machinery - portable chainsaws - non - manually actuated chain brake performance
林業機械.便攜式鏈鋸.非手動鏈鋸的制動性能 -
Forestry machinery - portable chain - saws - non - manually actuated chain brake performance
林業機械.便攜式鏈鋸.非手動鏈制動器的性能 -
Manually actuated signaling boxes for use with fire - protective signaling systems
防火信號系統用人工控制信號箱
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