不锈钢管件焊缝
stainless steel tube welding line
奥氏体不锈钢焊缝
Austenitic stainless steel weld
宫腔镜输卵管插管疏通
Fallopian tubal recanalization by hysteroscopy
宫腔镜输卵管插管注药术
Hysteroscopic tubal catheterization and hydrotubation
共集电极晶体管放大器
common-collector transistor amplifier
共济失调毛细血管扩张症突变基因
ataxia-telangiectasia mutated
atm
共济失调性毛细血管扩张
Ataxia telangiectasia
Late-onset cerebellar ataxia