旋轉(zhuǎn)蒸發(fā)儀使用后玻璃瓶拔不出來了,怎么辦?-國(guó)產(chǎn)97精品久久久天天A片_?????}4?f??w????6?\J????z?=??????c?????8(Y??=FG2T???SJJ?L?8?3(??? ?6?2??3?E?i?9a??(D_?R???X?)=5?`??7?=????x?`?f????H??[h%1(?X-?|?9?s???1!H??:#Rn?;SQ???7?n9'yBh_??p>?r??Diuq?}?_?L?m??oo?o???z,????%?E?X?;????E?n?,L???@|?.,H??????????Wr?6??SF?? ???X????????o???????y8???q??)KY^?????h?M???}O?Xy? ^[?g8??R?;^h??T??z???{?z?wuW?9???F?
有兩個(gè)原因:
1.旋轉(zhuǎn)蒸發(fā)時(shí)一般要抽真空,用完之后如果忘了放氣,就有可能拔不出來,應(yīng)該先放氣。
2.旋轉(zhuǎn)蒸發(fā)時(shí)一定會(huì)加熱,用完后玻璃瓶涼了,口縮緊了,就拔不出來了。這種可能Zui大,建議再次給玻璃瓶加熱,就可以了。