therefore, cutting the purity of oxygen, volume, velocity, and oxygen flow shape on the gas cutting quality and cutting speed has important implications.

因此，切割氧的纯度、流量、流速和氧流形状对气割质量和切割速度有重要的影响。

this portable machine applicable to small and medium-sized steam aerated block factory of gas cutting blocks.

本移动式切割机适用于中小型蒸养加气块在厂的加气块切割。

it is very useful for spreading numerical control gas cutting technique and decreasing the cost of the numerical control gas cutting machine or rebuild…

该研究对于数控火焰切割机厂家降低数控火焰切割机成本和已有光电跟蹤切割机等设备的厂家进行技术改造具有较好的参考价值。

the manufacture characteristics of the penstock are as follows: (1) the steel plate is prepared and cut by semi automatic gas cutting method;

其制作工艺主要有以下特点：（1）钢板切割下料采用靠模半自动气割方法；

the utility model not only ensures the quality of the gas cutting compasses and improves the working efficiency of gas cutting, but also reduces the cost and adapts to the working site.

本实用新型不仅确保气割圆的质量提高气割的工作效率，而且降低成 本适应于现场。

the utility model relates to a gas cutting tool, particularly to a steel plate gas cutting tool.

本实用新型涉及气割工具，尤其涉及钢板气割工具。

when propane gas cutting low carbon steel plate, the cost varies with the thickness of the steel plate. the cost droppes remarkably wh…

用于低碳钢板气割时，气割成本随板厚不同而变化。

the track, transmission system and the structure of double guns gas cutting machine are introduced. the measures of reconstruct and design features are put forward.

着重介绍双头气割机的导轨、传动系统及机体结构的设计分析，提出了这次改造的方案。

the utility model relates to a vaporizing device which relates to gas welding, gas cutting and other analogous usages.

本实用新型是涉及气焊气割及类似用途的一种汽化装置。

it is important to detect and measure gas cutting at real time and quantitatively, specially during gas well production.

实时定量的监测气侵，一直是安全鉆井特别是气井作业的重要课题。

when propane gas cutting low carbon steel plate, the cost varies with the thickness of the steel plate.

用于低碳钢板气割时，气割成本随板厚不同而变化。

the oxygen-natural gas cutting and welding technique for metal material were studied in this paper.

研究了氧—天然气金属切割和焊接技术。

good impact and abrasion resistance. excellent gas cutting property and weldability.

良好的抗沖击耐磨性，很好的可气割性和可焊接性。

factory workshop of the company holding the shield spot welders, fitters gloves hitting, drilling workers dig wearing flat mirror, wearing sunglasses cutting gas cutting work.

该公司机厂车间内焊工手持防护罩点焊，钳工戴着手套击打，鉆工戴着平镜挖凿，气割工戴着墨镜切割。

widely be used in the nonmetallic material, such as button, leather, lumber, plastic, electronic component, glass and gas cutting processing.

广泛用于非金属材料，如纽扣、皮革、木材、塑料、电子元件、有机玻璃等标记和切割加工。

y-12 acetylene reducer is used in gas cutting and welding industry . it has steady performance, beautiful appearance and good cost performance.

型乙炔减压器是用于气体切割、焊接行业、性能稳定、外形美观、性价比高。

mainly products are various welding & cutting tools, welding parts, semi-automatic gas cutting machine, hydraulic type tools, food machine.

公司主要生产经营产品有：各类半自动气割机、手工焊割工具、焊接配件、食品机械等。

cooling gas cutting is one of the important branches of green cutting technology, and the precondition of research and application of this technology is to supply cold gas to the cutting zone.

低温冷风切削是绿色切削加工技术中的一个重要分支，而向切削区供给低温冷风是研究和应用该项技术的前提。