TAPPING metal or other material [= screw-threading]
金属整流器
metal rectifier【电】;metallic rectifier【电】
暂无补充释义。
相关词条
writing pen ；manufacture by non-cutting metal working
road metal paving (crushed-stone pavement)
metal plate for sole
paper-metal-compound foil
metal-cutting device hand-held device
SEAMING of metal plates or sheets
Zinc metal powder