Fixed frame: 304 stainless steel, fixed to lab roof with M12 expansion screw.
固定架：304不锈钢材质，用m 12膨胀螺钉固定于实验室屋顶。
Fixed frame: High density PP material, fixed to lab roof with M12 expansion screw.
固定架：高密度PP材质，用m 12膨胀螺钉固定于实验室屋顶。
The purpose of the expansion screw is to fix the light box base and the concrete pier below.
膨胀螺丝用途是将灯箱底座与其下面的水泥方墩固定。
The expansion screw has simple structure and excellent expansion effect, and is easy to use.
这种膨胀螺丝结构简单且膨胀效果好，使用方便。
The expansion screw has the advantages of simple structure, convenient use and reduced material consumption, and the screw can be withdrawn conveniently after the application.
本装置结构简单、使用方便、节省材料，并且使用后螺杆能方便取出。
My company mainly manages the bolt, the nut, the spring nut, the bolt, the gasket, the tooth stick, the expansion of metal screw, the heterogeneous pressing part, non-tender, hardware tool and so on.
本公司主要经营螺钉，螺母，弹簧螺母，螺栓，垫圈，牙棒，金属膨胀螺丝，异型冲压件，非标件，五金工具等。
A thermal expansion valve and an electronic expansion valve was tested in a Air Cooled Screw Heat Pump respectively.
在风冷螺杆热泵机组上对电子膨胀阀与热力膨胀阀进行了机组性能的对比试验。
Objective To study the effects of expansion fashion and expansion quantity on retention of cement_expanded composition screw post (CECSP).
目的研究膨胀方式和膨胀量对粘固膨胀复合型螺纹桩固位力的影响。
Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.
对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。
Our main products are screw, expansion bolt, nut and washers. We are very competitive in price and quality.
主要生产螺丝，螺栓，螺钉，螺帽，膨胀，铆钉，垫圈等。
The utility model discloses an expansive screw which can make the expansion quit.
本实用新型公开了一种能够使膨胀体退出的膨胀螺丝。
The screw extrusion expansion drying machine has the advantages of large conveying capacity, high melting performance, good drying effect of the machine.
该螺杆挤压膨胀干燥机具有输送能力大和熔融性能高，设备干燥效果好的优点。
The power characteristics of a helical screw expander during its isentropic expansion was studied in detail with the concept of expansion ratio of peak power being proposed.
本文探讨了以汽水混合物为工质的螺杆膨胀机的定熵膨胀功率特性，提出了峰值功率膨胀比的概念。
In the article, the normal damage to the screw of the spiral food expansion machine and its conditions of tolerating force because of the comprehensive action of wear and corrosion are analysed.
本文对螺旋式食品膨化机螺杆由于磨损和腐蚀的综合作用引起的正常破坏以及受力情况进行了分析。
In calculating on the basis of the results painted a screw expansion of the expansion process of pressure, temperature changes in relations with the corner of the map and a detailed analysis.
在计算结果的基础上描绘了螺杆膨胀机膨胀过程内工质压力、温度随转角的变化关系图，并进行了详细的分析。
It is the base of research on heat expansion and heat transfer of single screw compressors.
它是研究单螺杆压缩机热膨胀及热传导的基础。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
The main structure and technical characteristics of screw extrusion expansion dryer were described and the improvement and application of the dryer were introduced.
简述了膨胀干燥机的基本结构，介绍了主体结构的改造及其应用效果。
The extrudate diameters (radial expansion) were affected only by the sugar content, not by the salt content or screw speed.
挤出物的直径(径向变量)只受到糖分的影响，而不受盐分或螺杆速度的影响。
This paper studies the influence of extrusion temperature. Screw speed, feed speed and water content on starch gelatinization depolymerization, soluble index and expansion efficiency.
研究了挤压过程中，挤压温度、螺杆转速、进料速度、原料水分含量对淀粉的糊化、降解及对挤出物的溶解指数和膨化度的影响。
Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.
不锈钢螺丝系列：内六角螺栓，紧钉螺钉，机螺钉，自攻钉，马车螺丝，膨胀螺丝，吊环螺丝，牙条，开口销，平垫，弹垫等。
The feasibility of replacing expansion bolt by chemical glue screw bolt on glass curtain wall was discussed.
讨论了化学胶粘螺栓运用于玻璃幕墙的可行性。
A threaded hole is drilled in the middle of the expansion bracing, such as (Figs 4), which corresponds with the screw.
将膨胀拉条中间钻出一个螺纹孔，如(图4)，使之与螺丝相对应。
If the change rules generally to replace the expansion tyre, Zhang Xin, screw rod and slot.
如若变更规则一般要更换涨胎、张芯、螺杆和槽棒。
If the change rules generally to replace the expansion tyre, Zhang Xin, screw rod and slot.
如若变更规则一般要更换涨胎、张芯、螺杆和槽棒。
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