9.Leakproof: putoaminen 1,2m korkealta paikalta, hydroterminen synteesireaktorin runko ei ole murtuma, reaktorin kansi ei ole lö
9.Leakproof: falling down from 1.2m high place, hydrothermal synthesis reactor body is no fracture, reactor lid is not loose, no break and leakage phenomenon.
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