前级真空

英语翻译

backing vacuum; forevacuum

拓展翻译

前级真空泵
fore vacuum pump

前级
backing stage

前级泵
backing pump

喷射真空泵
ejector vacuum pump

皮拉尼真空规
Pirani gauge

平盘真空过滤机
horizontal table filter

破坏真空
vacuum break

气体真空崩溃
gas vacuum breakdown

气压真空腿
barometric leg

气压真空柱
barometric leg

强真空密封
hard vacuum seal; highest vacuum seal; utmost vacuum seal

倾覆盘式真空过滤机
cell filter

喷射提前
injection advance

皮尔彻氏前列腺止血袋
Pilcher bag

皮质脊髓前束
anterior cerebrospinal tract; direct pyramidal column; direct pyramidal fasciculi; direct pyramidal tract; fasciculi pyramidalis anterior; fasciculus cerebrospinalis anterior; pyramidoanterior tract; tractus corticospinalis ventralis

皮质前部
prepallium

皮质运动前区综合征
premotor syndrome

脾前褶
presplenic fold

偏侧前列腺切除术
hemiprostatectomy

偏瘫前的
prehemiplegic