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- Describes briefly the construction and operating principle of titanium getter pump. 簡(jiǎn)單介紹了鈦泵的工作原理。
- A composite pump was developed which is composed of a nonevaporable getter pump and a sputtering ion pump. 結合消氣劑和離子泵的各自?xún)?yōu)缺點(diǎn),研制了一種由非蒸散型消氣劑泵與冷陰極濺射離子泵組成的復合泵。
- Application of mini-type zirconium getter pump in vacuum chamber 小型鋯吸氣泵在真空靶室中的應用研究
- Getter Pump and Sputtering Ion Pump in Electrostatic Suspended Accelerometer 靜電懸浮加速度計真空裝置的研制
- Do they charge carriage by bulk? 他們是否按體積計算運費？
- In most markets you can buy fresh fruit in bulk. 在大多數市場(chǎng)上可買(mǎi)到散裝新鮮水果。
- The bulk of the work has already been done. 大部分工作已經(jīng)完成。
- The elephant lowered its great bulk. 大象蹲下它龐大的身軀。
- He heaved his huge bulk out of the chair. 他挺起巨大的身軀，從椅子上站了起來(lái)。
- The eldest son inherited the bulk of the estate. 長(cháng)子繼承了遺產(chǎn)的大部分。
- bulk getter 容積收氣劑,塊狀消氣劑
- A ball of lead will weigh down an equal bulk of feathers. 一個(gè)鉛球要比同樣大小的羽毛團重。
- A tyre expands when you pump air into it. 輪胎一打氣就鼓起來(lái)。
- Lashing velocity of pump is concerned with nature of air. 泵的抽氣速率與氣體的性質(zhì)有關(guān)。
- The physical volume or bulk of a solid body. 體積物質(zhì)體積或一件固體的體積
- This tire is flat; you didn't pump enough air in. 這個(gè)輪胎沒(méi)氣了;你并沒(méi)打足氣。
- We have a pump for drawing water from the well. 我們用一個(gè)水泵從井里抽水。
- The heart is analogous to a pump. 心臟和水泵有相似之處。
- It is more convenient to transport the goods in bulk. 散裝運送貨物更方便。
- Can you lend me your bicycle pump? 能把你的打氣筒借給我嗎？
