fall of a lock 中文意思是什麼
fall of a lock
解釋
水閘落差-
Xps - hc fall arrester anxin brand xps series climbing safety self - lock device is a kind of individual anti - dropping article which is used by high position workers to climb up and down
「安心」牌xps系列攀登安全自鎖器,是高處作業人員上下攀登使用的個體防墜落用品。
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