?氧乙炔火炬
...low-energy collisions 低能量碰撞 nitrocellulose 硝化纤维素 nitroglycerine 硝化甘油 oxyacetylene torch 氧乙炔火炬 peroxyacetyl nitrate(PAN) 硝酸过氧化乙酰 ppb 十亿分之一(10-10) ppm 百万分之一(10-6) ..
[机]?氧乙炔炬
... square meters:平方米 scrap:废料 torch :n. 火炬,火把,手电筒 oxyacetylene torch:氧乙炔炬 ...
?氧炔焊炬
... oxy-hydrogen welding 氢氧焊接 oxyacetylene torch 氧炔焊炬 oxyacetylene welding 氧乙炔焊接 ...
?氧乙炔喷焊器
... 中压喷焊器 pressureblowpipe 氧乙炔喷焊器 oxyacetylene torch 多焰喷焊器 jetblowpipe ...
氧乙炔割炬焊工
氧乙炔焰烧蚀
氧乙炔火炬
The mayor of Cardigan, Catrin Miles, lit the oxyacetylene torch to begin the task of cutting down one of the steel supports.
BBC: Cardigan Castle: Steel supports removal in ?11m work
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