閥門鍵 的英文怎麼說
中文拼音 [fáménjiàn]
閥門鍵
英文
valve key-
Another important aspect in the manufacture of these valves is the clearances at the critical metal interfaces ( wedge / body guides, stem / back seat bushing, etc. )
這種閥門的製造中的另一個重要方面是關鍵金屬表面（楔形閘板/閥體導向，閥桿/后閥座襯套，等等）的之間的間隙。Handling keys for valves ; amendment a1
閥門用的操作鍵.修改件a1Heat energy meanings of the meter includ quantity of heat cold. heat energy enthalpy value table interior contained large capacity, can automatically carry out check table quickly, and calculate corresponding heat energy value quantity of heat cold with real - time flow, and automatically accumulate calculation
簡易操作器可不外接信號或接一路測量信號，即可通過按鍵操作直接控制操作信號輸出，適用於各種閥門等的手動定位控制，顯示屏顯示測量值或輸出百分比，用戶可設。Body : body is cast with heavy sections reinforced at points subjected to the greatest stress. valves are available in both flanged and butt welding ends. all conform to asme specifications
閥體：閥體為鑄件，在關鍵點上通過重型型鋼加以強化，能夠承受更大的應力。這些閥門都可配置法蘭連接埠和對焊連接埠，都符合asme標準。For fire protection, gear operators, it is critical to use only key ( 8 ) supplied with gear operator to conform to ul, fm, and ulc specifications
注意：齒輪操作機構與閥門閥桿的連接與齒輪操作機構的型號、大小和類型有關。適配器襯套和銷鍵可能與圖示不同。Note : connection of gear operator to valve stem varies depending on gear operator model, size, and style. the adapter bushing and key may be different from illustration shown
注意：齒輪操作機構與閥門閥桿的連接與齒輪操作機構的型號、大小和類型有關。適配器襯套和銷鍵可能與圖示不同。Grit, dirt or any foreign matter accumulated in the pipe can hinder efficient valve operation and seriously damage vital valve parts. thoroughly clean pipe internally with air or steam
硬渣、污物或任何外部物質在管道內積累都可能妨礙閥門的工作效率並嚴重損壞閥門的關鍵部件。必須用空氣或蒸氣對管道內部進行徹底清洗。According to the design code for filling and emptying system of shiplocks and the layout characteristics of the second line of qililong sea route on fuchun river and the upstream navigation tunnel, the type of the filling and emptying system of shiplocks is determined, the area of the culvert transect at the valve is calculated, and the layout type and key size of the filling and emptying system are recommended
摘要根據富春江七里瀧航道第二通道工程船閘及其上游通航隧道總體布置的特點，按照《船閘輸水系統設計規范》的要求，確定了船閘的輸水系統型式，並計算了輸水閥門處廊道斷面的面積；推薦了通航船閘輸水系統的布置及關鍵尺寸。Different - diameter pipes can reduce waterhammer pressure also ; the key is the matching between pipe and valve which is important
採用異徑管也能夠減小水擊，關鍵在於管道與閥門必須匹配。Some key installations and high temperature and high pressure valves are still in need of dependence on imports, addition, the valve industry in china ' s industrial structure, industrial valves industrial chain, the degree of specialization and industry are foreign enterprises with a substantial gap
一些高溫高壓和關鍵裝置上需要的閥門仍然依賴進口，另外，我國閥門行業在產業結構、閥門工業的產業鏈，以及行業的專業化程度均同國外企業存在較大的差距。It has been proved by user that the sealing surface of valves processed by laser cladding have better property of anti - abrasive, anti - acid, anti - high - temperature, and, have the longer life
國內對一些高參數閥門的關鍵密封面一般採用等離子噴焊，電弧、火焰堆焊等傳統工藝進行強化1 。To predict reliability, a sound valve design, backed up by a stress analysis must be subjected to functional cycle testing under critical operating conditions
為了實現預期的可靠性，需要科學的閥門設計，建立在應力分析基礎上，並在關鍵工作環境下進行功能性循環測試。Automatic threshold choice is difficult and important to color images edge detection, first of all, on the base of human visual properties, threshold versus intensity function of human visual system are researched and analyzed, by using method of mathematic modeling and the result of saturation research, function of least color difference that can be perceptible by visual systems in detecting edge is given
摘要自動閥值選取是彩色圖像邊緣檢測的難點和關鍵問題，首先從人類的視覺特性出發，分析了人類視覺系統的亮度感知門限函數，利用數學建模方法和色度學方面的研究成果，給出人類視覺系統對彩色圖像邊緣所能識別的最小彩色差函數。分享友人