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- The secondary air system on the cylinder reduce the emission of the exhaustgas. 汽缸體上設置二次補氣系統，有效降低排放。
- Secondary air tuyere: aluminum alloy shutter,the surface was electro-sprayed by epoxy resin. 補風口：採用鋁合金百葉窗，表面環氧樹脂噴塗。
- A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components. 另一類污染物則是通過大氣組分間所發生的化學反應而形成的有害化學物質。
- Another problem can occur rarely if backflow of process gas is permitted into the secondary air feed line. 如果工藝氣體迴流入二段空氣管線，能發生另外的很少發生的問題。
- The simulation results show the obvious effect of "stratified and staggered impinging stream type multiple-nozzle secondary air" on eliminating soot. 在理論上證明了煤無煙燃燒鍋爐「多孔分層錯列撞擊流」式二次風在消除碳黑方面具有明顯的效果。
- The circulation volume of secondary air is one of the main factors that have an impact on the effectiveness of REC. 切換式電源供應器為現在最廣泛的供電系統，它的優點具有效率高，體積小等。
- Furthermore,the influence of central bluff body and velocity of swirling secondary air on backflow field are analyzed. 此外,分析了中心鈍體形狀及旋流二次風速對迴流區大小的影響。
- Test Data show that the pulsating amplitude of secondary air can reach 40% under some special conditions, affecting more greatly the flame stability. 另外，同樣結構的風門安裝在不同的風道中，將具有不同的流量調節特徵。
- The nozzle flow is composed of the main gas stream and the secondary air stream in order to simulate the nozzle of turbofan engine. 噴管中的氣流由主流燃氣和次流空氣組成，用以模擬渦扇發動機的噴管。
- Secondary Air Supply Synthesizer Secondary Air Supply Synthesizer can lown down emission of vehicles together with catalyst.Sometimes it can work separately. 二合一進氣系統可與催化劑同時作用降低車輛排放污染物達到相關環保標準,在某些車輛上也可單獨使用。
- Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper, and inhibit pulsation of the flow rate. 增加二次風道的原始阻力係數，可以使風門的調節特性得到改善並抑制流量脈動。
- The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces. 摘要鍋爐二次風道為有內置阻力件的一組並聯大口徑短通道，其阻力係數嚴重偏小而且風門渦流強烈，從而造成二次風強烈脈動。
- By controlling the area under secondary air to be a reduction zone,the organic amine in the waste liquor turns into NHi,which further reacts with NOx decomposed from HNO 3 to form N 2,leading to the reduction of NO x emission. 通過控制二次風以下區段為還原氣氛，使己二胺廢水中的有機胺轉化為NHi，然後它與由硝酸分解產生的NOx反應生成N2，可減少NOx排放量。
- Experimental results show that secondary air injection can shorten the light-off time of three-way catalytic converter, and effectively reduce the emissions of HC and CO during cold start. 試驗表明二次空氣可以縮短催化器起燃時間，有效地降低冷起動過程中HC和CO排放。
- The air in the garden was warm and fragrant. 花園裡的空氣一片溫馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- The lack of air in the room make everyone sniffle. 屋子裡空氣缺乏，使得每個人都頻頻吸氣。
- During the intermission, let's go out for some fresh air. 幕間休息時，我們出去呼吸呼吸新鮮空氣吧。
- The air held a foretaste of a storm. 天氣有要括大風的跡象。
- PAIR pulsed secondary air injection 脈衝二次空氣噴射
