helium mass spectrometric leak detector

例句：

1. 1.The helium mass spectrometer leak detector was used to detect the presence of trace amounts of hydrogen in the sample.
   氦气质量光谱泄漏检测器被用来检测样本中微量氢的存在。
2. 2.The helium mass spectrometer leak detector is essential for ensuring the purity of the sample.
   氦气质量光谱泄漏检测器对于确保样本的纯度至关重要。
3. 3.The helium mass spectrometer leak detector was used to identify the source of the contamination in the laboratory.
   氦气质量光谱泄漏检测器被用来识别实验室污染的来源。