Back filling at abutment back of Bridge or culvert
back reaming and back transportation
Back-to-Back
对头拼接
背靠背
背对背的
背靠背结构
背对背
紧接的
背向式计数器
Apocrine sweat disorder unspecified
apocrine sweat gland pruning
corrosion in hand sweat
Eccrine sweat disorder unspecified
Eccrine sweat gland cells
hereditary sweat gland disorder
Hygroscopic and Sweat Releasing