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並前往https://books.google.com.tw/books?id=SqhGAQAAIAAJ&pg=RA7-PA196&lpg=RA7-PA196&dq=square+set+stoping&source=bl&ots=ngd923jZj4&sig=ACfU3U3gkIk9chvJyJTmsK-AlxzYX1MsIQ&hl=zh-TW&sa=X&ved=2ahUKEwiM9LW74vb1AhUq-yoKHfodC1EQ6AF6BQjZAhAD

Bulletin - 第 196 頁 - Google 圖書結果

It was stated that in 1929 cut - and - fill and square - set stoping were employed about equally . The same general scheme of operations applies to both ...

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