2538| 3
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船用液壓絞車試驗臺設(shè)計(求助) |
點評
液壓絞車安裝完成后,把絞車安裝到試驗平臺上,鋼絲繩出卷筒后經(jīng)過四組定滑輪轉(zhuǎn)向起吊砝碼,分為動載和靜載試驗,船檢局會派船檢師過來驗收。
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