jack bracket 中文意思是什麼
jack bracket
解釋
液壓千斤頂支架-
The whole system is supported by the main jack arrangement when concreting, placed at the front supporting bracket and the ( rear ) suspension gallows ? or on supporting brackets only at the start and expansion joint spans
整個系統在混凝土澆注過程中由前牛腿及(后)吊架上主千斤頂系統支撐,在起始段和伸縮縫處則在前後牛腿處支撐。
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