bottle jack
... bore-hole jack 钻孔千斤顶(钻孔内荷载试验用的) bottle jack 瓶式千斤顶 ceiling jack 平顶千斤顶 ...
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包括2套瓶式千斤顶并附带手动油泵。
The system consists of two (2) separate "bottle" jack cylinder with integrated manual hand pump.
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