... multi-layer coated eye-glasses 多层镀膜眼镜片 multi-level dryer 多层干燥机 multi-level 多用水平尺 ...
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With some hazardous materials, you can provide further protection by using inert gas to limit the oxygen level in the vacuum dryer.
随着一些有害材料，可以提供进一步的保障真空干燥机使用惰性气体中氧气含量的限制。
The process of catalyst spraying dryer system are simply introduced in the paper, the comparison results, control level and effects are described as well.
简要述说了催化剂喷雾干燥系统的工艺流程，装置改造前后对比情况，自动控制水平，以及改造后的效果。
The second is the commonly used method, is will air compressor (no matter what) plus level 1 or 2 class purification equipment or dryer.
第二种也是常用的方法，是将空压机（ 无论哪种） 再加一级或二级净化装置或干燥器。
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