病人坐在一张类似于牙医椅子的装置上，这把椅子有个斜靠的椅背以及填充的头枕，同时还有一个触屏式的控制面板以及一个可以精确的和患者的头部吻合的电磁圈。
The chair reclines and has a padded headrest. It also has a touch-screen control panel and an electrical magnetic coil that is positioned on a precise spot on the patient's head.
作者认为，显微组织分析是控制和判断粉末冶金铜—钨触头质量的重要方法之一。
The analyses of microstructure is one of the important methods for controlling and evaluating the qualities of copper-tungsten alloy contactors.
针对开关电触头钎焊质量难以检测的问题，采用超声成像无损检测技术能够有效地检测并控制焊接质量。
Ultrasonic imaging nondestructive testing technology could be used effectively in inspecting and controlling braze quality of switch electric contact.
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