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- four wire line 四线线路
- four wire line adapter 四线制线路适配器
- Please circulate and then wire line survey! 请循环泥浆,然后进行吊测!
- Is your line nylon rope or wire line? 译文：请问是尼龙缆绳，还是钢丝绳?
- This piece of wire line is three times shorter than that one. 这根钢丝绳的长度是那根的三分之一。
- Wire line flexible pumping rod is a coiled rod with sealing wire line. 钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
- A two wire SYSTEM then requires two twisted pair, and a four wire SYSTEM requires three twisted pair. 一个二线制系统两个双绞双绞线对，一个四线制系统需要三个双绞线对。
- INTEREST: 10000 PCS OF THREE PHASE FOUR WIRE LOW VOLTAGE KILO WATT HOUR METER (10/40) A. 我公司求购三相低压电表，有意者请与我们联系！
- It is widely interested how to construct an active power filter to suppress the harmonics in three phase four wire system. 三相四线制系统中如何使用有源电力滤波器来抑制线路中的谐波，这一问题越来越被人们所重视。
- The use of the four wire method and the photoelectric segregation technology raises the test precision and disturbance resistibility. 采用四线法和光隔技术，提高了测试精度和系统的抗干扰能力。
- Rolling process in high-speed wire line can be conducted successfully without skew and twist if the line can be regulated automatically. 在高速线材轧制过程中,轧件易发出偏斜和扭转,如果能够实现自动找正,则可保证顺利轧制。
- A circuit arrangement for deriving a phantom circuit. In four wire circuits, the two wires associated with the "GO" channel form one "side circuit", and those associated with the "return" channel form another. 用来派生一个幻象电路的电路结构。在四线电路中，与“去程”通道相关联的两线就形成了一个“半边电路”, 而与“回程”通道相关联的两线构成了另一个“半边电路”。
- For that case, there is not an effective way to solve before the piercing wire line fisher has been developed successfully. 介绍了穿芯电缆式打捞器的结构原理、特点、现场应用效果和应用中的注意事项。
- Based on the analyse of the magnetic around the wire line circuit, we design a logical structure to make sure the accuracy of GMR sensor. 通过分析被测电流周围磁场的分布，设计出合理的结构，保证巨磁阻传感器测量的精确性。
- The test results on wire line diamond drilling in Xiaoqinlinggold ore field of Western Henan and using prospects of the system are discussed in this pa-per. 讨论了该系统在豫西小秦岭金矿田绳索取心钻进应用试验效果及前景。
- The housing assembly is made of thick section steel plate to provide enough weight.The wire line is kept taut when hoisting or lowering the unloaded block. 侧板为厚纲板;有足够的强度和重量.;当提升和下放空吊卡时，钢丝绳常处于紧张状态，有利于滚筒缠绳和空钩下放速度，延长钢丝绳寿命。
- Plumbing and wire line can be installed inside wall body and floor system conveniently, which can cut expense on decoration that would be made afterwards. 水电系统管线可方便的布置于墙体及楼层的结构之内，大幅度降低二次装修费用。
- This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
- The cable consists of four wires: two for data, one for power (+5 volts), and one for ground. 电缆由四电线所组成: 二为数据, 一为力量 (+5 伏特), 和他为地面。
- In communications security, unclassified information or equipment and wire lines that handle encrypted classified information. 通信安全学中指不保密的信息或处理已加密的保密信息的设备和线路。
