A.正方形網(wǎng)B.長(zhǎng)方形網(wǎng)C.菱形網(wǎng)D.三角形網(wǎng)
A.類比法B.加密法C.稀空法D.探采資料對(duì)比法
A.一壁一底B.兩壁一頂C.兩壁一底D.兩壁一掌子面