well-pulling service 中文意思是什麼
well-pulling service
解釋
修井起下作業-
High quality ropes for pulling, strength is very high, light easy for operation, though the first investment is high, if high, if you safe guard them well, their service life is 2 - 3 times as long as other ropes
? ?高質量的拖繩。強度特高,重量輕,易操作。雖然一次性投資較高,但只要強索維護得當,其使用壽命是其它繩纜的2 - 3倍。
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