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- DFQ-Type Back Flow Preventer and Its Application DFQ型倒流防止器及其使用
- What is the function of the back flow valve? 逆止閥的功能是什么?
- back flow preventing diode 逆流阻擋二極管
- Capacitance vessels constrict, increasing the back flow of venous blood. 容量血管收縮;靜脈回流量增加.
- The speed field is composed of back flow region and joint jetting region. 速度場(chǎng)主要由回流區和貼附射流區組成;
- You said you could see life, or Arthur Abel, skulls on firearms, ammunition and some in critical condition, life is a back flow. 你說(shuō)你可以看見(jiàn)人生，亞瑟或是該隱，頭蓋骨上有的槍支彈藥和生命垂危，一回頭便是一生周轉。
- This pressure inversion can cause back flow of the process materials into the cylinder, or "suck back". 這種壓力倒置會(huì )引起過(guò)程物質(zhì)回流入鋼瓶，或“吸回”。
- Check valve to prevent back flow h 檢查閥門(mén)，防止背面流溢
- The advantage to this is that the air in the plenum will not back flow into the supercharger as the pressure in the supercharger is always more then in the plenum. 優(yōu)勢對這空氣在方面充氣室將不返回流入增壓器作為壓力在里增壓器更那么在充氣室里總是。
- In this paper,we present a new type of hybrid arc quenching system,which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一種將窄縫與柵片配合應用于限流斷路器的新型混合式滅弧系統。
- Rose bushes shoot again after being cut back. 玫瑰叢修剪後還能再長(cháng)出新枝。
- The B ultrasound examination and intravenous antegrade angiography of deep vein of inferior member before operation showed back flow existed in all 5 limbs in A group ,28 limbs in B and C group , flow back time >0.5s,PVI lies in all the 36 limbs . 術(shù)前B超及深靜脈造影檢查顯示A組中的5條、B組和C組28條肢體全部存在股淺靜脈返流;返流時(shí)間>0.;5s;36條肢體均存在PVI。
- The influences of circumfluence and back flow on the diffusion of contaminants were simulated and calculated in detail,and the visual result and averaged diffusion distance were obtained. 主要針對河道回流、繞流對污染物擴散的影響進(jìn)行了詳細數值模擬計算,并分別給出了可視化結果及平均的擴散距離。
- Equally effective in checking back flows from head pressure on the discharge or suction sides of pump. 無(wú)論是泵的排泄口的排出壓力,還是泵的吸入口,其流體止回的效果都是相同的。
- Under the object of ensuring the construction speed and the operation security after completes, mud-rock flow preventing theory and practice work come through four development times along the railway. 在保證建設速度和建成后運營(yíng)安全的目標下,鐵路沿線(xiàn)泥石流防治理論與實(shí)踐工作經(jīng)歷了4個(gè)發(fā)展時(shí)期。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三個(gè)鐘點(diǎn)才回到家。
- The crowd fell back to let the players through. 人群后退讓運動(dòng)員們通過(guò)。
- Do exercise every day and you'll be back in condition. 每天鍛煉鍛煉，你很快會(huì )恢復健康的。
- The ship beat back against a monsoon. 船逆著(zhù)季風(fēng)艱難地行駛。
- I flap the flies away but soon they fly back. 我把蒼蠅趕走，但一會(huì )兒又飛回來(lái)了。
