dual braking sytem是什么意思

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This thesis introduces one method for foundation strengthen-jet grouting technology for double pipes and double mixing liquid in designing and construction.

文中介绍了在高层建筑施工过程中发现地基承载力不均匀时的一种地基补强方法———双管双液注浆技术的设计及施工。

Aim at current disadvantage of bare tugging in dual tubing well,a new seal for bare tubing is developed.

研制的双管井多功能抽油光杆密封器采用二级密封方式,主要由抽油光杆扶正保护、纠偏和盘根密封部分组成。

With the processing of evaporation and the increase of the liquid concentration,the periphery of film dropping tube cannot wetted sufficiently,thus,the use of double tube sides is necessary.

随着蒸发的进行,料液浓度的增高,降膜管周边润湿量不足需要分程,即双管程(或多管程)进料,液体分布器在本效中不能按常规的结构进行设计,否则布料不均,降膜管底端结焦严重,产品质量会受到影响,清洗也困难,加密分布器上小孔,能够消除结焦,此方法经过应用效果良好。

An integral core rod, a round-hole diffluent bracket and an extrusion head with double tubes to the extrusion head were applied in extrusion head designing,and the designing process of the ex-trusion head was introduced in detail.

3 mm的医用微细介入导管,设计了一种专用微管挤出机头,其特点是采用了整体芯棒、圆孔分流支架和双管机头结构,详细介绍了该挤出机头的设计过程。

In this paper,the centering technological fundamental principle of synchronization and automation, the construction, the characteristics and its application contrast for dual pipe twist of WLZ Ⅱtype centrifugal casting machine were introduced.

介绍了 WLZ- 型离心铸管机双管钳同步与自动对中技术的原理 ,双管钳的结构和特点及其应用对比。

Being dead against the specific conditions concerning seabed vibro sampling, a self developed coring tool suitable for seabed vibro sampling, SSZ-1 vibrating double coring barrel with double spring, is introduced.

针对海底振动取样的一些特殊情况 ,介绍了自行研制的适用于海底振动取样的SSZ - 1型双管双簧取心钻具 ,分析了其结构原理及对海底取样的适应