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三年在线观看视频_久久亚洲成人_丰满人妻久久一区二区三区69_天天躁日日躁狠狠_来一水AV@lysav

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Requirements and value of slipform paving technology of concrete curbstone slipform forming machine

The technology of fully automatic concrete curb stone slipform forming machine is a slipform technology that self-walks through a computer control system and forms the concrete curb…

2019-12-16
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The role of concrete additives in improving concrete sliding form construction

In the concrete slipform construction operation, the quality of the concrete directly affects the molding of the slipform construction, so what role does the concrete additive play …

2019-11-21
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How many meters can a concrete paver spread a day?

How many meters can a concrete paver spread a day? The specific number of meters that can be paved is not fixed. It depends on the specific project, the difficulty of the project, …

2019-11-14
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How many meters can the curb stone slide be made a day? How is the construction efficiency?

The curb stone sliding machine has been matured and applied in the side-sliding mode construction of the road. How many meters of curb can be completed in one day by a curb stone sl…

2019-11-07
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How to check the working condition of ironing plate for paver

(1) Place the paver on the flat ground, set the elevation value to zero, drop the ironing pull and place it on a flat loose sandstone layer. After several minutes, put forward the i…

2019-03-28
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What is the effect of adding retarder in cement concrete in sliding-form construction?

In the construction of sliding form method, the effect of adding retarder in cement concrete is to adjust the setting time of concrete, so that it matches the time of concrete pouri…

2019-03-28
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三年在线观看视频_久久亚洲成人_丰满人妻久久一区二区三区69_天天躁日日躁狠狠_来一水AV@lysav

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