Chinese translation for "变颈段"

reducing section

Similar Words：

"变晶组构" Chinese translation, "变晶作用" Chinese translation, "变晶作用重结晶变形" Chinese translation, "变精美" Chinese translation, "变井源距垂直地震剖面" Chinese translation, "变径" Chinese translation, "变径衬套" Chinese translation, "变径次数" Chinese translation, "变径导套" Chinese translation, "变径段" Chinese translation