用激光不但可切割出任意缝型结构和布缝状态的筛管，而且在切割面上形成了较厚的硬化层，可增强割缝的耐磨性和耐腐触性，延长筛管使用寿命。
By using the laser cutting method, the screen pipes with arbitrary slot pattern can be machined, and the wear resistance and corrosion resistance of the pipes can be improved owing tot…
论述了锅炉给水除氧器用新型PKXF型可调式旋缝节能喷嘴的结构、主要技术性能参数及基本设计原则。
The paper presents the construction, main technical performance parameters and basic design principles of a new PKXF type adjustable energy-saving gap and vortex deoxygenization sprayer.
本文研究了塞曼型缝式石英管原子捕集器的结构、制作、灵敏度以及在测定矿石中金的应用。
The structure, manufacture and sensitivity of slotted quartz tube atom trapping techniques in polarized Zeeman atomic absorption spectrophotometry were described in this paper.
GBW遇水膨胀止水条是一种新型腻子型柔性嵌缝止水材料，可有效地解决混凝土结构的接缝止水问题。
GBW seal, which will expand when water go in, is a new type of seal material. It can effectively resolve the sealing problems of settlement joints of concrete structures.
针对沥青路面出现的裂缝病害问题，提出了一种新的修补工艺，并对新型GF- 260型沥青路面灌缝机的结构性能特点进行了介绍。
For the cracks disease of bituminous pavement, the paper proposed a new repairing technology, and introduced the structural performance of GF-260 crack-pouring machine.
针对沥青路面出现的裂缝病害问题，提出了一种新的修补工艺，并对新型GF- 260型沥青路面灌缝机的结构性能特点进行了介绍。
For the cracks disease of bituminous pavement, the paper proposed a new repairing technology, and introduced the structural performance of GF-260 crack-pouring machine.
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