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2.An oxyacetylene torch.
氧乙炔炬收藏指正
3.an oxyacetylene torch; oxyacetelyne welding.
氧乙炔火炬；氧乙炔焊接。收藏指正
4.oxyacetylene blowpipe
氧乙炔吹管收藏指正
5.How to solve problems of acetylene gas leaking out of batterfly valves in the acetylene production system
如何解决乙炔发生系统蝶阀泄漏乙炔气的问题收藏指正
6.The remaining 20%of the acetylene production is principally used for oxyacetylene cutting, heat treating, and welding.
乙炔生产的剩余20%主要用于氧乙炔切割、热处理和焊接。收藏指正
7.of or using a mixture of acetylene and oxygen.
指乙炔和氧的混合物或者使用乙炔和氧的混合物。收藏指正
8.KINETIC STUDY OF CONSECUTIVE HYDROGENATION OF ACETYLENE
乙炔加氢串行反应动力学研究收藏指正
9.Crystal Structure of Cis-polyacetylene
顺式聚乙炔的晶体结构收藏指正
10.Development of Portable and Intelligent Acetylene Measuring Meter
便携式智能乙炔测定仪的研制收藏指正
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