A thermal expansion valve and an electronic expansion valve was tested in a Air Cooled Screw Heat Pump respectively.
在风冷螺杆热泵机组上对电子膨胀阀与热力膨胀阀进行了机组性能的对比试验。
The air conveyor alarmed when air pressure loss was abnormal or tube blocked, and the feeding to screw electronic weigher was stopped at the same time.
当空气压力损失不正常或管路阻塞时，输送空气压力报警装置自动报警，并停止螺旋电子称供料。
Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.
对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。
Method:40dry atlas specimens were used to measure anatomic data relative to screw placement technique with an electronic digital caliper and a goniometer.
方法：用电子游标卡尺和量角器对40例干燥寰椎标本测量与进钉技术相关的解剖学数据。
Our Factory manufactures all kinds of screws of Tapping screw, fiber board screw and furniture screw for electronic, electric apparatus, iron or wood furniture.
电子、电器、铁木家具用自攻螺丝、纤维板钉、快束牙等螺丝制造。
Methods 50 dry atlas and axis specimens were used to measure anatomic data relative to atlas pedicle screw placement technique with an electronic digital caliper.
方法：配套干燥寰枢椎标本50套，用电子游标卡尺测量与进钉技术相关的解剖学数据。
Objective To improve the method of atlas pedicle screw fixation. Methods The anatomic data related to pedicle screw fixation were measured on 48 dry atlas specimens with an electronic caliper.
目的探讨寰椎椎弓根螺钉的置钉方法。方法以电子游标卡尺测量48具干燥寰椎标本的相关解剖学数据；
Measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard. Mixed steelyard.
量杯式计量、螺旋式计量、电子自动计量、组合秤。
This paper presents a high efficient process method of a steep lead tread of coupling screw and studies the profile accuracy by using electronic computer and arrives at the profile error curve.
介绍了一种大导程波形联结螺纹的高效加工方法，借助计算机进行了螺纹牙形的精度分析，得出了齿形误差曲线。
Selected installations: measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard.
选配装置：量杯式计量、螺旋式计量、电子自动计量、组合秤。
Measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard.
量杯式计量、螺旋式计量、电子自动计量、组合秤。
Measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard.
量杯式计量、螺旋式计量、电子自动计量、组合秤。
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