balance short arm  屈臂倒立

bridge-arm short-circuit  桥臂短路

Deletion of short arm of chromosome 4  染色体4短臂缺失

Deletion of short arm of chromosome 5  染色体5短臂缺失

Self powered short arm human centrifuge  人力短臂离心机

short arm beat-up mechanism  短打纬

short arm centrifuge  短臂离心机

short arm screw  短臂螺钉

long and short anchor arm  抗滑挡土墙

short bucket arm  短斗杆

short retractor arm  短牵引器臂

short short story  极短篇

short-short  超短篇

ARM ARM  处理器

short and ultra short electron bunch  短与超短电子束团

short driving and short lining  短掘短砌

short focal length lens (=short-focus lens)  短焦距透镜

Short range， short haul  短距

arm in arm  臂挽臂