... beam alignment coil电子束导线圈 beam balance杠杆式秤 beam calibration电子束清晰度 ...
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短语
固定式杠杆秤
Stationary lever scale
摆动杠杆式台秤
[仪]
swing beam platform scale
杠杆式简易秤
simple lever-type weighing machine
复式杠杆自动秤
double lever automatic weight
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