“Sealing hermetically” in Japanese
Short answer
Sealing hermetically in Japanese is “厳封” (genpuu). Full meaning: sealing hermetically.
Other ways to say “Sealing hermetically” in Japanese
密封
mippuu sealing hermetically, sealing (up)
密栓
missen stopping tightly, sealing hermetically
密閉
mippei shutting tightly, making airtight, sealing hermetically
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