When one can smell out the odor of solvent, it shows the adsorbent is disabled, and it needs to be replaced immediately.
When one can smell out the odor of solvent, it shows the adsorbent is disabled, and it needs to be replaced immediately.
当在面罩内可闻出溶剂气味时，表明所用的吸附剂已失去作用，应及时更换。