管钳不能用于蹩、撬或台管子。
Pipe wrenches should not supply to curve, raise or lift pipe.
头部伤口的油漆碎片与管钳顶端吻合。
请把管钳递给我。
应当定期检查管钳，更换已磨损或有伤痕的钳牙及牙床。
Pipe wrenches should be inspected regularly. Replace the heel and jaw section if found to be defective or worn out.
本文介绍了一种加工管钳牙板上三角齿用拉刀的设计和计算方法。
In this paper, the design and calculating method of a kind of broaches for machining triangular tooth on the die has been introduced.
现在可以用管钳把软管头连同其配件切掉，把软管和镀锌管联接起来了。
Now you can connect the rubber hose to the galvanized drain pipe by cutting off the end connector and fitting with a hose clamp.
管扳手，管钳：有两个锯齿形的钳牙，一个可调节以抓起或扳动管道。
A wrench with two serrated jaws, one adjustable, for gripping and turning pipe.
在变压器的初级使用二极管钳位电路，可以有效地抑制变压器次级的寄生振荡。
And the diode clamp circuit introduced in the transformer primary can apparently restrain from the peak voltage resonance in the rectified diodes.
本实用 新型的有益效果是不需要人工用管钳倒扣，操作工人没有危险性，不会出现人身伤亡事故。
The utility model has the advantages that reversing work does not need to be carried out by manpower with pipe tongs, the operators have no danger and the human casualty accidents can not occur.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
So this paper focuses on the study of direct torque control of induction motor based on diode-clamped three-level inverter.
举例说明，20兆赫兹的峰点是钳位过程结束后主要由场效应晶体管输出电容和变压器漏感引起的寄生振荡产生的。
For example, the peak at 20 MHz in the spectrum is caused by the parasitic oscillation due to the output capacitance of the MOSFET and the leakage inductance of the transformer.
第一，在场效应晶体管关断期间钳位电压是800伏特，高于600伏特。
First, the clamping voltage during the MOSFETs turning off is 800V, what is higher then of 600V.
钻工们卸掉安全扣合弹簧和大钳销子，换上与要上扣的钻具或管具相匹配的钳头。
The driller ensures that the safety latch springs are replaced on the tong pins.
动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。
Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.
用宽吊带吊装涂塑管件，不允许使用链条，钢索，钢钳或者其他破坏涂层的吊装工具，不能拖拉滚动钢管。
Coated articles shall be hoisted using wide-belt slings. Chains, cables, tongs, or other equipment that causes damage to the coating will not be permitted, nor will dragging or skidding of the pipe.
继电器IC 3断开，保护放大器和钳位二极管。
Relay IC3 opens, protecting the amplifier and clamping diodes.
此功能消除了在大多数应用中需要外部钳位二极管，节省了成本和外部元件数量，同时降低功耗。
This feature eliminates the need for external clamp diodes in most applications, saving cost and external component count, while minimizing power dissipation.
提出了有源钳位准谐振变换器的一种新的驱动方式，它无需经过数字电路延时，只需一个电阻和二极管构成的小网络。
This paper proposes a new gate drive method for active clamped quasi resonant converters. Instead of a digital delay circuit, only a resistor and a diode are added to produce correct drive waveforms.
注意到，通过钳位二极管，电流峰值比带低电阻ssr更高。
Note that the peak current through clamping diodes can be rather high with low-on-resistance SSRs.
然而，由于漏感影响，反激变换器功率开关管关断时将引起电压尖峰，必须用钳位电路加以抑制。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
然而，由于漏感影响，反激变换器功率开关管关断时将引起电压尖峰，必须用钳位电路加以抑制。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
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