带切线直管段的三倍直径弯头
three-diameter ells with tangents
短直管段
short and straight pipe section
直管段
straight length
straight horizontal sections
straight pipe
pipe section
直接扩增片段长度多态性
direct amplification of length polymorphism DALP
单位面积埋管长度
tube length per unit area
导尿管长度
length of urinary catheter
电子根管长度测定器
electronically determined length
根管长度
The lengths of root canals
Root canal length
Length of root canal
root canal working length
working length
根管长度测定
root canal length measuring
根管长度测量
measure the root canal length
canal length measurement
根管长度测量仪
electronic root canal length measurement device
electronic apex locator