上齿
upper
上齿槽后动脉
arteriae alveolaris maxillaris posterior
上齿弓
arcus dentalis maxillaris; arcus dentalis superior
上齿牙槽前动脉
arteriae alveolares maxillare anteriores
人字齿轮
double heical spur wheel; double helical spur gear; herring bone gear
人字斜齿轮
double hclical bevel gear
人字正齿轮
double-helical gear
三合齿轮驱动
triple geared drive
三速齿轮
three-speed gear
伞齿轮
bevel gear; bevel wheel
伞齿轮式起重器
ratchet type jack
伞形齿轮
bevel gear
扇形齿轮
sector gear; sector wheel
生皮齿轮
rawhide gear
惹火上身
ask for trouble
日上三竿
late in the morning
绒膜上的
epichorial
绒膜上皮癌
chorio-epithelioma; chorioblastoma; chorioma; chorionepithelioma; corionic epithelioma; syncytioma malignum; trophoblastoma
容许上限
high limit of tolerance
溶上表面温度电阻
weld-on surface-temperature resi-stor