泵

With the help of performance test of reciprocating pump, the design for the spring was validated. An experiment-bed was also built to test the poppet valve's lift displacement. The testing results prove that the simulation was in a correct way.

设计了往复泵泵阀试验台；通过对往复泵进行性能测试，对不同弹簧预紧力下阀门升程进行了测定，验证了仿真结果的合理性。

Comparing tow methods of efficency pre-estimation, it finds out the new method fit for super-low specific-speed pump. Acoording to the study and comparison on efficency and reliability, the thesis points out merits and faults of the 5 types of impeller, and draws a conclusion that the complex impeller and partly blocked-flow-passage impeller are fit for the impellers of super-low specific-speed centrifugal pump.

比较了泵效率预估的方法，提出了适合于极低比转数泵效率预估的新方法，并对其性能要求的效率和可靠性两方面进行了研究比较，指出了五种形式叶轮各自的优缺点，得到结论：复合叶轮和部分堵塞流道的一般叶轮适合作极低比转数泵叶轮。

With the trade mark "KINGMAC" as the main part, it has been a large productive and trading enterprise with research and own brand manufactured in serialization Its main productions for auto are special fiber brake-broke, hitch ball, transversal ball, universal joint assembly, clutch assembly, filter, engine bearing linter, thrust film, hydraulic brake master pump and branch pump, etc; for motorcycle are gate lock, gate switch, Instrument, fuel sensor, brake pump, electronic luminescence filter, etc.

公司以&KINGMAC&商标为主体，形成了系列化、规模化、科研化、品牌化的生产型贸易型企业，现主要产品有汽车高级特殊纤维刹车片、悬挂球头、横拉球头、万向节总成、离合器总成、滤清器、发动机轴瓦、止推片、液压制动总泵、分泵等。摩托车系列产品有电门锁、闸把开关、仪表、燃油传感器、制动泵、电子冷光片等。

Reciprocating pump is a positive displacement pump is dependent on the piston pump cylinder for reciprocating motion to change the volume of work, so as to achieve the purpose of transmission fluid.

杂谈 往复泵是容积式泵的一种，是依靠泵缸内的活塞作往复运动来改变工作容积，从而达到输送液体的目的。

For the upper and lower physical decomposition of the fuel pump, pump body can be placed, open side cover, remove the pump head fastening nut, remove the pump head, hand clamp plunger living roots, slowly out the plunger and spring cylinder fault, with clean petrol or diesel repeated washing, wash, after-loading complex (note the plunger into the regulation of regulation must fork arm), and alternately tighten pump head nut, rotating camshaft, oil pump pulled the handle to manipulate the review.

2对于上、下体能分解的喷油泵，可将水泵体平放，打开侧面盖板，卸下泵头紧固螺母，取下泵头，用手钳夹住柱塞根部，慢慢抽出故障缸柱塞和弹簧，用清洁的汽油或柴油反复清洗，洗净后装复(注意柱塞调节臂必须装入调节叉内)，并交替拧紧泵头螺母，转动凸轮轴，扳动油泵操纵手柄复查。

Pump head range and velocity triangle was used with iteration approach for initial model and CFD simulation was applied for parameters decision.

本文改进了传统轴流泵的设计理论，结合人工心脏泵的工作条件和水力条件，引入了扬程范围判断和速度三角形修正相结合的方法，配合迭代逼近获得了人工心脏泵的初始模型，CFD模拟分析为模型参数选择提供了依据。

Pump valve s as the key part have an important effect on the performance of constant discharge reciprocating pumps.

泵阀是往复泵的关键部件，对恒流量往复泵的性能有着重要影响。

Suction manifold is 6 completed with 6 butterfly valve and 6 union joint on the suction port.

吸入管为6&，吸入口装6&法兰，泵的吸入管汇中设置有6蝶阀，泥浆泵吸入管汇能满足泵灌和自吸，由用户根据需要确定。

The OBL MB/MC/MD series are mechanical diaph- ragm pumps with spring return mechanism, eccentric shaft and thrust ring.

OBL机械隔膜式计量泵 OBL MB/MC/MD系列计量泵为机械隔膜式计量泵，带弹簧复位机制、曲轴和压缩弹簧。

The results show that fuel consumption and running unevenness of three-cylinder internal combustion water pump are higher than those of engine driving pump system while effective thermal efficiency of three-cylinder internal combustion water pump is less than that of engine driving pump system.

并与发动机驱动柱塞泵系统的外特性进行了对比分析，结果表明三缸内燃式水泵的燃油消耗率和运转不均匀度明显低于发动机驱动柱塞泵系统，而有效热效率明显高于发动机驱动柱塞泵系统。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷