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汉语拼音：guǎn qián

通常靠两个齿形钳牙来夹紧并转动管子或其他圆筒形表面的一种钳子。

管钳 [guǎn qián]

• Pipe wrenches should be inspected regularly. Replace the heel and jaw section if found to be defective or worn out.

  应当定期检查管钳，更换已磨损或有伤痕的钳牙及牙床。

• In this paper, some related problems in operation of the diode neutral point clamped (NPC) three-level inverter were studied.

  本文主要针对二极管钳位三电平变频器在运行中的一些相关问题进行了研究。

• Make-up each component individually with a pipe wrench or chain tong using the overhead crane or pipe stand for support.

  在函吊或支架的辅助下，用管钳或链钳逐次联接各组件丝扣。

• The SPWM pulse triggers circuit and control circuit applied to diode-clamped three-level STATCOM voltage source is designed.

  通过上述分析，设计了应用于三电平二极管钳位电压源型STATCOM的SPWM触发脉冲天生电路和控制电路。

• The novel scheme can solve the problem that speed for adjusting jaw opening is too slow for the prior-art pipe tongs.

  新方案能够解决传统管钳调节钳口的开口量时速度过慢的弊端。

• The simulation software PSCAD is used to analysis SPWM control based on three-level diode-clamped voltage source STATCOM.

  接着利用PSCAD仿真软件对基于SPWM控制的三电平二极管钳位电压源型STATCOM进行了仿真和分析。

• Simulation of the Active Filter with a Multilevel NPC Inverter

  二极管钳位型多电平有源电力滤波器的仿真

• Experimental research of incarceration of cystic duct with harmonic scalpel

  超声刀对胆囊管钳闭作用的实验研究

• Simulation Study of Diode Clamping Threc-Level Inverter

  二极管钳位三电平逆变器的仿真研究