chain block

基本解释

The operator pulled the chain to start the chain block.
操作人员拉动链条启动捯链。
Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.
将钢骨柱固定在专用胎架上，通过倒链滑移至安装点下方后，采用滑轮组和卷扬机进行提升就位。
The products are widely applied to chemical industry, bridge, chain block , shipping, metal component and pressure vessel industry, etc…
产品广泛应用于化工、桥梁、起重机、船舶、金属构件、压力容器等行业。

If your data is currency such as access control to various amounts of bitcoin on the block chain, then you have surrendered your financial transaction history and potentially the value itself.
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Although WordPress states that they are not waiting for a sufficient number of confirmations from the bitcoin block chain, it is largely irrelevant for e-services since upgrades can simply be deactivated or reversed due to a failed payment.
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Alexander's, a department store chain that went bankrupt and closed in 1992, owns an entire city block on Manhattan's Upper East Side.
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