直径
diameter
conjugate; conjugate diameter
直径的
diametral
diametral
直交平面波法
orthogonalized plane wave method
中和平面
neutral plane
中立平面
neutral plane; neutral surface
轴唇舌平面
axiolabiolingual plane; axiomesiodistal plane
轴颊舌平面
axiobuccolingual plane; axiobucrolingual plane
轴平面
axial plane
主控平面位置显示器
master plan position indicator
主平面
principal plane
注视平面
plane of regard
装配平面图
setting plane
直
frank; just; straight; vertical
recto-
直板滚轧机
plate straightening rolls
直边
directed edge
直边外胎
beadless tyre
直边衍射
straight edge diffraction
直柄
straigh shank
直柄钻头
straight shank drill
直播
direct seeding; living broadcast