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1·Yedan, oxygen, nitrogen, acetylene gas, acetylene sales;

液氮、氧气、氮气、氩气、乙炔的销售；

2·David does not live up, it is such a system on acetylene gas.

戴维不负重望，很炔就制出这种气体。

3·About 85% of the enterprises in our country which use fuel gas take use of acetylene gas.

我国使用燃气的企业有85%左右使用乙炔气。

4·The acetylene gas generated by calcium carbide can be applied to weld or cut metal materials.

同电石发生乙炔作金属切氰和焊接。

5·The utility model relates to a multi-purpose gun for flame cutting of oxygen gas and acetylene gas.

本实用新型涉及一种氧—乙炔火焰切割多用枪。

6·The status of VCM and acetylene gas recovery by pressure swing adsorption in vinyl chloride production units were introduced.

介绍了在氯乙烯生产装置中，采用变压吸附工艺回收精馏尾气中的VCM和乙炔气的情况。

7·The merits of the acetylene gas and the defects of new type of welding gas are completely mixed together on the aspect of theory and practice.

理论和实践上把乙炔气的优点和新型焊割气存在的缺点完整的捏合在一起。

8·Usage: It is the raw material of organic synthesis and calcium Cyanamide. It can produce acetylene gas, and can be used as Deoxidizer for steel making and cut metal.

用途：电石可作为有机合成的基本原料，可做为石灰氮的原料，也可产生乙炔气体，作为炼钢脱硫剂，并用于金属切割。

9·Acetone is charged into the cylinder and completely fills the pores of the filler material. Acetone is the solvent which will dissolve the acetylene gas charged into the cylinder.

丙酮被充入钢瓶，彻底填满填充物材料的孔道。它是溶剂，能够溶解充入钢瓶的乙炔气体。

10·For improving need assembling the casing head, the cutting casing pipe on project, we have designed the device of cutting casing head to change unfavorable factors using acetylene gas to cut case.

为满足在钻井施工中安装套管头、切割套管的需要，改变乙炔气割影响施工质量和时效的不利因素，设计了一种套管切割机。