The small piston inner top comprises a center cover or a connected center cover.
小塞内顶由中盖或连筋中盖组成。
The piston compressor, the oldest in places such as the cold storage, many central air conditioning unit, and small piston compressor in the fridge and air conditioning.
活塞式压缩机资格最老，用的地方很多如冷库、中央空调机组、还有小型活塞式压缩机用在冰箱和空调中。
Dual piston gear, output torque, small size.
齿轮式双活塞，输出力矩大，体积小。
Only small aircraft, and those needing tough low-speed propulsion at low altitudes, for agricultural work and fire-fighting, still have piston engines.
只有一些小型的飞机，以及那些用于在低空低速爬升飞行的用于农业以及灭火用途的飞机仍然使用活塞发动机。
The use of pneumatic actuator cylinder piston and crank conversion structure, output torque, small size fine.
气动执行机构采用活塞式气缸及曲臂转换结构，输出力矩大，体积精小。
The connecting rod links its large end to the crankshaft and its small end to the piston.
连杆的大头与曲轴连接，小头与活塞链接。
This design with its simple structure, small size and light weight has selected the piston compressor which is used very often and befittingly in rooms.
本设计选择了房间空调中使用较多的一种滚动活塞式压缩机，是因为它结构简单，外形尺寸小，重量轻，十分适宜在房间空调中使用。
The result shows that the traditional estimation methods about powerplant performance are adapted for propeller aircraft even if with small sized piston engine and propeller.
研究结果表明，传统的估算方法对于装小型活塞式发动机的螺旋桨飞机也是适用的。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点，因此该换能器同时兼有宽波束和高发射响应的优点。
There is a pent-up desire and growing need for smaller piston powered aircraft and helicopters to train pilots and serve small communities throughout the country, " Archer said."
那里有着被压抑的渴望，对小型活塞固定翼飞机和直升机教练机，小型社区服务的需求正在逐渐增长。
The tube wall of same section of near end of said piston chamber has three uniformly distributed small projections to prevent the piston out of the piston chamber from near end.
所述活塞仓的近端同一截面的管壁上均匀分布有三个以上的小突起，以阻挡活塞由近端跑出活塞仓。
The net effect on the piston of all these small irregular forces must be equal to that of the force of gravity if there is to be equilibrium.
假使两方面保持平衡，那么所有这些小的不规则的力对活塞的有效作用必须与重力相等。
This small end fits inside the bottom of the piston.
小头装在活塞的底部。
The FEM for the assembly parts of piston, gudgeon pin and small-end of connecting rod is constructed to investigate a diesel engine piston with an oscillating-oil-cooling channel.
针对某增压柴油机振荡冷却油腔活塞的非对称结构，建立全活塞活塞销连杆小头的有限元模型；提出了振荡冷却油腔的第三类热边界条件的数学描述并进行了验证；
Rolling piston type rotary compressors are widely used in air-conditioning systems at present, for they have many advantages such as small size, light weight, high performance and fewer parts so on.
滚动转子式压缩机具有效率高、零部件少、重量轻、体积小等优点，目前已广泛应用于小型家用空调系统中。
At present, the turbo technology of small aviation piston engine has been mature abroad, but domestic are committed to the research.
目前，国外小型航空活塞式发动机涡轮增压技术已经比较成熟，国内正在致力于这方面的研究。
The connecting rod is attached to the crankshaft at one end (big end) and to the piston at the other end (small end).
连杆一端(大头)与曲轴相连，另一端(小头)和活塞配合。
It is indicated that effect of variation of piston-to-cylinder gap, oil temperature and pressure on simulation result is very small;
结果表明，柱塞—柱塞套间隙、机油温度和压力变化对模拟计算结果影响很小；
It is indicated that effect of variation of piston-to-cylinder gap, oil temperature and pressure on simulation result is very small;
结果表明，柱塞—柱塞套间隙、机油温度和压力变化对模拟计算结果影响很小；
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