前体离子扫描是指监测前体离子的特定损失。
Precursor ion scanning refers to monitoring for a specific loss from the precursor ion.
它也可以扫描文件，以便它不会打印以及较低的大小，或将其保存在一个文件格式，它会导致质量损失。
It's also possible to scan a document so that it doesn't print well at lower sizes, or save it in a file format that results in quality loss.
用扫描电镜分析等方法对氧化铝厂渣浆泵叶轮进行了腐蚀磨损失效分析。
The failure analysis of corrosion erosion for high chromium cast iron impeller of slag pulp pump in aluminum factory are conducted using SEM.
对一个实际清淤中磨损失效的泥浆泵轮叶片表面进行宏观观察，并利用扫描电镜作了微观形貌分析。
The abrasive erosion pattern of the impeller blades of a used slurry pump is investigated by macro observation, and analyzed by SEM method.
对一个实际清淤中磨损失效的泥浆泵轮叶片表面进行宏观观察，并利用扫描电镜作了微观形貌分析。
The abrasive erosion pattern of the impeller blades of a used slurry pump is investigated by macro observation, and analyzed by SEM method.
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