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1.The machine is circumgyration drilling machine that the rotary drives drilling tool to bore by rotation, adopts full hydraulic pressure drive, constant power loop, wheel cylinder startup, oil cylinder disappear ing end bumper, electrohydraulic combined control, steel wheel traveling and disassembly transport.
该机是由转盘带动钻具旋转钻进的回转钻机，采用全液压驱动，恒功率回路，分泵启动，油缸升降，电液复合操纵，钢轮行走，解体运输。收藏指正
2.The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow(or critical pipe diameter)and friction loss of pressure pipe in tailings transport and how to select the formula with examples.
介绍工程实践中，选用水力计算公式的体会，对尾矿输送中临界流速(或临界管径)和压力管道摩阻损失的计算以及如何选用公式分别作了举例说明。收藏指正
3.This works has complete product specifications and varieties.It can offer double-faced coating adhesive,single-faced coating adhesive,fully automatic linear edge sealing machine,double-faced coating adhesive automatic straight-line,hand-operated curve & straight-line,three-row,four-row,six-row,high precision multi-drill,precision multi-drill,precision pulling bench saw,45°-135°aluminum frame and wooden mirror frame angle cutter,stroke charge open sawing machine,hard alloy saw sharpening machine,hydraulic press etc.It supplies woodworking machinery parts,fittings,clamp and so forth.It also receives the transport business for vart customers.
本厂产品规格种类齐全，可提供双面涂胶、单面涂胶、全自动直线封边机、双面涂胶自动直线、手动曲直线、三排、四排、六排、高精度排钻、精密推台锯、45°-135°铝框及木制镜框切角机、往返开料锯机、硬质合金磨锯机、液压压机等，供应木工机械配件、附件、夹具等，并代办运输业务。收藏指正
4.Large reclamation projects may affect the flow of water, sediment transport and wave activity in the harbour. To minimise any adverse effects, the CED employs sophisticated hydraulic models to analyse the likely effects of proposed schemes and check that they are within acceptable limits.
为了减低大型填海工程对海港水流、泥沙输移及波浪状况的不良影响，土木工程署利用先进的水力模型，评估各项工程计划可能引起的变化，确保变化不超出可接受的限度。收藏指正
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