screw type anchor
... screw type anchor 螺旋式锚 MACHINE SCREW ANCHOR 机械牙膨胀壁虎 Mitchell's screw anchor 螺旋锚螺旋式锚 ...
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... mooring screw 螺旋锚 mooring screw 螺旋式锚 mooring shack 系船卸扣 ...
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螺旋锚螺旋式锚 Mitchell's screw anchor
安放螺旋式锚作业船 screwing lighter
用螺旋式锚系泊 screw moorings
用螺旋式锚系泊浮筒 screw moorings
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便携软层取样器用于土层勘察取样，主要由铝合金机架、螺旋式地锚、链传动加压及伞齿轮回转等部件组成。
The portable sampler is used in soil investigation. It is made of a frame of aluminum alloy, a spiral anchorage block, an upset by chain driver, and a turn by bevel gear, etc.
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