@drensber @GeoEduOne @loscharlos China doesn't do much in terms of engineering. It's almost all lockdowns, testing, and quarantines. Even high quality masks aren't used much.
@drensber@GeoEdione@loscharlos China在工程方面做得不多。这几乎是所有的封锁、测试和隔离。即使是高质量的口罩也不常用。