气动卡瓦 meaning in Chinese
air slips
Examples
- Model qw50a air operated slips is a wellhead tools . mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation
Qw50a气动卡瓦是油田修井作业时，安装在井口上用于卡紧油管及类似管柱的一种工具。
air slips