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- 三钮X线装置three-knob x-ray nuit
- 三钮装置three-knob apparatus
- 线thread
- 三钮板three-button (filter) plate
- 在线in-line
- 三钮滤板three-button filter plate
- 装置system
- X线装置Roentgen apparatus
- 三年three years
- 三角(n) a triangle
- X线人类学roentgenographic anthropology
- 三级third class
- 诊断X线装置diagnostic x-ray apparatus; diagnostic x-ray unit
- 透X线Pass through X - ray
- X线两档Two X-ray energy modes
- 地下管道 系统; (电灯的)暗线装置系统conduit system
- X线系统X- ray system
- 回线装置在探测地下金属管线中的应用Return-wire equipment for detecting underground metal pipelines and wires
- X线检测X-ray detection
- 滑线装置slick line device