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- The roots is the oldest type of positive displacement supercharger. 根是確定的最老的類(lèi)型替代增壓器。
- Slurry is metered to the tine by a positive displacement pump. 用一臺容積泵測量泥漿尖頭。
- Compressor may be reciprocating positive displacement or centrifugal. 壓縮機可以是活塞式、螺桿式或離心式。
- Pumps in which displacement is accomplished mechanically are called positive displacement pumps. 用機械方法完成位移的泵稱(chēng)為正位移泵。
- The timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate. 這種調速泵是一個(gè)容積式泵,用來(lái)確保產(chǎn)品以確定的可接受的速率流過(guò)整個(gè)設備。
- Most downhole power drills for horizontal drilling are constituted basically by positive displacement drills. 絕大多數的水平井井下動(dòng)力鉆具是以螺桿鉆具為基礎構成的。
- Results Gnathion and gonion showed positive displacement on X and Y axes and negative displacement on Z axis. 頦頂點(diǎn)、下頜角點(diǎn)均表現為X、Y軸向的正位移,Z軸向的負位移。
- Petroleum and natural gas industries - Rotary-type positive displacement compressors - Part 1: process compressors (oil-free). 石油和天然氣工業(yè)。旋轉型容積式壓縮機。第1部分:加工壓縮機(無(wú)油)
- When ready to start centrifugal pumps, fully open suction valves and throttle discharge valves of a positive displacement. 當準備好啟動(dòng)離心式泵時(shí)，吸入閥全開(kāi)，容積式排出閥節流。（關(guān)于裝置開(kāi)車(chē)）
- The same powerful positive displacement blower technology used in large truck mounted vacuums is employed in the SAVE-YOUR-BACK-VAC. 吸塵器上還使用了同樣強大的正排量鼓風(fēng)機技術(shù)。
- The influence of the injected gas volume on the output performanc e of positive displacement motor (PDM) is obvious in the process of aerated UBD. 在充氣欠平衡鉆井過(guò)程中,氣體的注入量對馬達的輸出特性影響較大。
- A rotor displacement in the negative direction produces a positive torque and a positive displacement results in a negative torque. 轉子朝負向移動(dòng)，產(chǎn)生正向扭矩，反之，朝正向移動(dòng)就產(chǎn)生負向扭矩。
- Reciprocating Positive Displacement pumps may use plungers with static seals pistons with dynamic seals or liquid diaphragms to achieve their pumping action. 往復式正排量泵可能使用帶有固定密封的活塞;帶有動(dòng)密封的活塞;或隔膜來(lái)運行水泵。
- The characteristics of positive displacement flow meter are introduced,and the main factors for lectotype and the matters needing attention in the application are discussed. 介紹了容積式流量計的特點(diǎn),探討了選型的主要因素和應用的注意事項。
- The positive displacement supercharger will move a fixed amount of air on each rotation and that is not dependant on impeller speed as it is on the centrifugal type. 積極的替代增壓器將在每旋轉上移動(dòng)固定數量的空氣和當它在離心上時(shí)，那不是關(guān)于葉輪速度的從屬人打字。
- Since its first patent in January 1876, Norwalk Compressor Company has designed, manufactured, and serviced its own positive displacement reciprocating gas compressors. 始于1876年，諾沃克公司有了自己的第一個(gè)專(zhuān)利，諾沃克公司設計、制造并且服務(wù)自己公司的往復式工藝氣體壓縮機。
- Positive displacement main oil pump, mounted on bull gear shaft, oversize and arranged to protect the machine during coast down in the event of a power failure. 安裝在大齒輪軸上的主油泵，超尺寸配置，以保護在突然停電時(shí)壓縮機的充分潤滑。
- There is positive proof that he did it. 有確切的證據證明他做了此事。
- Calculation results show that greater friction force exist between drill stem and wall of bore in tripping out and drilling using PDM (positive displacement motor) working conditions. 計算結果表明，起鉆和井底動(dòng)力鉆具鉆進(jìn)兩種工況，鉆柱與井壁間有較大的摩擦力。
- A positive displacement (PD) pump displaces a precise amount of liquid for each revolution of the crankshaft and must be allowed to pump if it is running. 轉軸每轉一圈，正排量泵就排出精確數量的液體，而且必須是水泵運行中允許的。
