《天工开物·中篇·冶铸》
接着，随手把它翻转过来，揭开前框，全部母钱就脱落在后框上面了。
既合之后，已成面、背两匡，随手覆转，则母钱尽落后匡之上。
Next, turn it over, open the front frame, and all the master money will fall on the back frame.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 既合之后，已成面、背两匡，随手覆转，则母钱尽落后匡之上。 [/INST] Next, turn it over, open the front frame, and all the master money will fall on the back frame.</s>
Explain the meaning of this Classical Chinese passage in English: 既合之后，已成面、背两匡，随手覆转，则母钱尽落后匡之上。
user
Next, turn it over, open the front frame, and all the master money will fall on the back frame.
assistant