【医】 均分剂量

heel part of boot

part per million (abbr.ppm)

inter-zonal part

grip part

upper part of root or rhizome

basilar part【解剖】;pars basilaris【解剖】

intermembranous part【解剖】;pars intermembranacea【解剖】;

trachlea portion;hadrome;xylem;wood part;vessel part