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- Secondary seal material shall be FPM or EPDM and correspond to the seat material for maximum chemical resistance. 二級密封材料應該是FPM或三元乙丙橡膠和具有最好耐化學(xué)腐蝕性能的相應閥座材料。
- They are designed to provide a secondary seal in the event the cylinder valve develops leakage through the valve seat. 它們是設計用來(lái)在鋼瓶閥門(mén)通過(guò)閥座產(chǎn)生泄露的情況下提供一個(gè)二次密封。
- Secondary seal material shall be FPM or EPDM and correspond to the/" target="_blank">the seat material for maximum chemical resistance. 二級密封材料應該是FPM或三元乙丙橡膠和具有最好耐化學(xué)腐蝕性能的相應閥座材料。
- Foreign-owned Enterprises, Joint venters Duplicate of business license, renrer's ID card, Unit's cacher or contract seal Unit cartifcation letter. 外商獨資、合資企業(yè)企業(yè)營(yíng)業(yè)執照副本、經(jīng)辦人身份證明、公章或合同章、法人委托書(shū)、單位介紹信。
- The structural characteristics of heat pumps:From the pump, gear, bearing seats, valve, bearing and seal unit with horizontal rotary pumps. 高溫泵的結構特點(diǎn):由泵體、齒輪、軸承座、安全閥、軸承及密封裝置組成的臥式回轉泵。
- By means of reaserched the friction pair surace failure and the material used in secondary seal ring,the leakage reason of mechanical seal and their solution measure are ffound. 通過(guò)對機械密封摩擦副表面失效及副密封圈用材的研究,尋找機械密封泄漏原因和解決辦法。
- The secondary seal of the casing head spool adopts the BT-shape surface,which can get an ideal effect by selecting plastic seal gerase through the injecting mouth. 套管頭四通的副密封采用BT型密封結構,這種結構通過(guò)注塑口注入塑料密封脂達到理想的密封效果。
- QGF barreled drinking water auto washing, filling and sealing unit. QGF型自動(dòng)桶裝飲用水沖洗、灌裝、封口機組。
- A developing trend for the high-speed centrifugal compressor is predicted. The non-oil seal will gradually take the place of the wet seal and it will obtain zero leakage of the seal unit. 最后,對高速離心壓縮機發(fā)展趨勢做出了展望,提出無(wú)油密封將逐漸取代濕式密封,真正達到密封裝置的介質(zhì)的“零泄漏”。
- Application of secondary seal for floater 外浮頂儲罐二次密封技術(shù)應用
- Friction force of secondary seal 副密封摩擦力
- XM-230/80 rotary seal head is a rotary seal unit on wellhead, specialized for negative pressure and low pressure drilling, characterized by reliable sealing effect, ease of opration and safe service. XM-230/80型鉆井旋轉密封頭是一種專(zhuān)用于負壓、低壓鉆井的井口旋轉密封裝置,具有密封可靠、操作簡(jiǎn)單和防爆、安全等優(yōu)點(diǎn)。
- The gear reducers are sealed units requiring periodic lubricant change. 齒輪減速器是整體密封裝置需要定期更換潤滑劑。
- Cook the meat quickly at first to seal in the juices. 一開(kāi)始要大火燒肉,以便保存肉汁。
- The putty gives a good seal round the window. 窗戶(hù)四周泥的油灰密封效果很好。
- The steering control module was a sealed unit, opened only during overhaul, with no specified overhaul time, and had accumulated 3,860 hours since last overhauled on March 3, 1998. 掌舵的控制模塊是一個(gè)密封的單位, 在檢修期間只打開(kāi),沒(méi)有指定徹底檢查時(shí)間,并且3,860個(gè)小時(shí)自從最后在1998年3月3日徹底檢查。
- The luminous intensity on unit area. 單位面積上的發(fā)光強度。
- Our foil packets seal the flavour in. 我們用錫紙包裝以保持原味。
- This document carries the royal seal. 這份文件上蓋有王室印章。
- The seal on the bottle has perished. 瓶子的封記已經(jīng)腐爛。