Contact us
Choose a category below so we can get back to you as quickly as possible.
700
大氣壓約是100000Pa,玻璃管也就1,2平方釐米, 壓力只有0.1N左右,這麼小的力怎麼可能壓破
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.