acetylene welding

acetylene welding是什么意思、acetylene welding怎么读
【机】 乙炔熔接

acetylene welding汉语翻译

【机】 乙炔熔接
相关内容
oxyacetylene welding
oxy-acetylene welding
oxyacetylene welding outfit
acetylene welding set
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polydivinyl acetylene
polyacetylene
oxyacetylene
oxy-acetylene
isopropyl-acetylene
acetylene buoy
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