查询词典 thread bar

Category III new steel (400 MPA rolled ribbed bar) straighten cutter, cold-rolled and twisted steel machinery, drawing spiral steel machinery, steel stripping rib straight thread rolling machine, concrete pipe machinery, and more varieties and more models available for users Choice, quality, reliable, affordable, timely service, the establishment of a sound quality management system to ensure product quality and stability control, and through the China Quality Certification Center certification.

新III级钢（400MPA热轧带肋钢筋）调直切断机，冷轧扭钢筋机械，冷拔螺旋钢筋机械，钢筋剥肋直螺纹滚丝机，混凝土制管机械，多品种多型号可供用户选择，质量可靠，价格低廉，售后服务及时，建立了完善的质量管理体系，确保产品质量得到稳定控制，并通过了中国质量认证中心的认证。

According to the principle of four bar linkage mechanism , the new style thread inspecting stand for oil tubes is designed.

根据平面四连杆机构原理设计了新型石油套管螺纹检查台。

Its high speed is between 4000-500 stitch per minute.It adopts the designs of cam controlled swing needle bar,eccentric hook shaft compensation mechanism,hanging thread link feed mechanism,turing takeup lever,oil pump suto lubrication mechanism.

其最高缝速在4000-5000针/MIN之间，在结构上采用凸轮机构控制针杆摆动、偏心旋梭轴补偿机构、悬结式连杆送料机构、旋转式桃线、螺旋油泵自动润滑系统等设计。

While embedding plate should levelly put on the corresponding place on reinforcing bar. Then marked out the axises both originally measured and that on the plate by using thread awl.

埋置地脚螺栓时，先将地脚螺栓套板平放在基础钢筋上相应位置，用线锤测定校正纵，横轴线与套板上标出的纵，横向轴线标志，沿套板周边在钢筋上作出标记。

On the base of keeping the same law of motion of original thread-taking-up pole of computerized embroidery machine and relevant sizes,the disc cam with pushing bar of roller of linear motion along the axis with the spring force closure is used to design a new thread-taking-up mechanism .

以电脑刺绣机为研究对象，根据刺绣机的面线消耗量和刺绣的可缝性，分析了挑线机构的设计要求；利用五次多项式曲线对挑线凸轮进行了设计；并根据刺绣机的特殊要求，提出了刺绣机最优化设计方法。

On the base of keeping the same law of motion of original thread-taking-up pole of computerized embroidery machine and relevant sizes,the disc cam with pushing bar of roller of linear motion along the axis with the spring force closure is used to design a new thread-taking-up mechanism .

保持原有电脑刺绣机挑线杆运动规律和相关尺寸不变，采用对心直动滚子推杆盘形凸轮机构，辅以弹簧力进行锁合，对原挑线机构进行了创新设计

This company is a scitech enterprise mainly involved in researching, developing, and producing tin solder thread,tin solder bar,tin solder paste, solder, environment-oriented detergent, and industrial soft solder materials.

本公司是一家主营焊锡丝、焊锡条、无铅焊料、焊锡膏、助焊剂、环保型清洗剂等电子、电工业用软钎焊用材料研发与生产的科技型企业。

Because the height of box girder is limited, vertical prestressed bar is short, so when control stress of prestressing is attained, elongation of thick high strength thread reinforcing bar is limited.

这是由于箱梁的高度有限，竖向预应力筋的长度都比较短，因而在达到张拉控制应力时高强精轧螺纹粗钢筋的伸长量有限。

This machine is one of the products of brand post bed series,which adopts top and bottom feed by needle bar feed dog,thread take-up sliding bar,thread catching by vertical rotating hook to produce double lockstitchl.

本机是高台机的系列产品。采用针杆摆动与送布牙同步送料的方式，滑杆挑线，立式旋梭勾线，形成双线锁式线迹。

The Examination of the Sine Bar for the Petroleum Thread Gage;2. The sine bar is a practical precision measuring implement which can measure indirectly or a machining tool for the precision angle by the sine principle.

正弦规是利用正弦函数原理对精密角度进行间接测量或加工的一种常用的精密量具或工具，常用于测量内、外锥体的锥角及外锥体的大小端直径，也用于测量角度块的角度、孔中心线与平面之间的夹角。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。