英语翻译
low vacuum seal
拓展翻译
低真空
coarse vacuum
低真空泵
coarse vacuum pump
低真空抽气泵
low-suction pump
唇形密封
lip(type) seal
唇形密封圈
lip-type packing
大凹凸式密封面
large male and female face
大榫槽式密封面
large tongue and groove
单锥密封
seal with single-cone
弹簧唇形密封
flexible-lip seal; spring loaded lip seal
弹簧口密封
flexible-lip seal; spring loaded lip seal
低温密封
cryogenic seal
倒用真空管
inverted vaunm tube
低度真空
low vacuum
次低频
infra-low frequency
存货价格低于市价损失
loss on reduction of inventory to market
达到最低点
touching the bottom
代表人数低于适当比例的
under-represented
单调低音锥面
drone cone
低
hang down; low; lowness
hyp-; hypo-
低音
low pitched rale