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- Development and Study of Combination Directed Valve Trays 組合導向浮閥塔板的開(kāi)發(fā)研究
- A new type of digital directional valve is presented. 給出了一種新型電液數字換向閥。
- K25J series 5/2-ways directional valve is a product jointly designed by first ministry of machinery have streamlined structure and reliable actions. K25J系列二位五通截止式換向閥，是一機部換向閥聯(lián)合設計產(chǎn)品，具有結構合理，動(dòng)作可靠。
- K23JD-BW series is plate fitting shut-off directional valves 3/2 way. BW系列是二位三通單氣控板接截止式換向閥。
- GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage,controls the actuating cylinder to drive the valve openedclosed. GDQ型氣動(dòng)高真空擋板閥是通過(guò)電磁換向閥改變氣路方向，控制執行氣缸驅動(dòng)閥門(mén)作啟閉運動(dòng)。
- combined directional characteristic 復合方向性
- HAWE variable piston pumps, proportional directional valves and directional seated valves have a widely application in mining machines. 簡(jiǎn) 介： HAWE品牌變量柱塞泵，比例多路閥，截止式換向閥等眾多產(chǎn)品廣泛應用在掘進(jìn)機，采煤機，刮板運輸機和行走支架等煤炭機械上。
- GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed. GDQ型氣動(dòng)高真空擋板閥是通過(guò)電磁換向閥改變氣路方向，控制執行氣缸驅動(dòng)閥門(mén)作啟閉運動(dòng)。
- The solenoid is used for wet-type electromagnet valve on the power supplies of DC up to 220V as the power elements of REXROTH electromagnetic direction valve. 適用于單相橋式全波整流的直流電源，電壓至220V的電路中，作為力士樂(lè )六、十通徑螺釘連接的電磁換向閥的動(dòng)力元件。
- GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage,controls the actuating cylinder to drive the butterfly valve openedclosed. 簡(jiǎn)單介紹： GIQ型氣動(dòng)高真空蝶閥是通過(guò)電磁換向閥改變氣路方向，控制執行氣缸驅動(dòng)蝶閥作啟閉運動(dòng)。
- three position directional valve 三位換向閥
- The two parties have combined to form a government. 兩黨已經(jīng)聯(lián)合起來(lái)組成政府。
- water hydraulic directional valve 純水換向閥
- The combined fleet is armed to the teeth. 這支聯(lián)合艦隊全副武裝。
- Basing on the discussion of principle and characteristic of direct digital frequency synthesis(DDS) and phase-locked loop frequency synthesis(PLL),a design scheme of frequency synthesizer combining direct digital synthesis used for modern radio is given. 介紹了DDS(直接數字頻率合成)技術(shù)及PLL(鎖相環(huán))頻率合成技術(shù)的工作原理及特點(diǎn),給出了現代電臺設計中基于DDS的頻率合成器的設計方案。
- Conclusion A practical method for the early diagnosis of RSV infection was developed by combining direct smearing with rapid cell culture, which was rapid, sensitive and practical. 結論將直接涂片法與快速細胞培養法同時(shí)應用于RSV感染的早期診斷，既能及時(shí)提供檢測結果，又能提高診斷的敏感性，是對RSV感染進(jìn)行早期診斷的實(shí)用方法。
- electro-hydraulic proportional directional valve 比例方向閥
- In sum, theory must be combined with practice. 總之，理論必須同實(shí)踐相結合。
- Combining directives between these two groups is allowed in most cases, but combining them among themselves is not allowed. 大多數情況下,允許在這兩個(gè)組之間組合指令,但不允許在它們自身當中組合指令。
- electrohydraulic proportional directional valve 電液比例方向閥
