根据“变压吸附解吸附”压力交变原理，研制了分子筛氧气浓缩器样机。

The prototype of a molecular sieve oxygen concentrator system (MSOCS) was developed, on the principle of PAS.

youdao

根据“变压吸附解吸附”压力交变原理，研制了分子筛氧气浓缩器样机。

The prototype of a molecular sieve oxygen concentrator system (MSOCS) was developed, on the principle of PAS.

youdao