A.基礎(chǔ)寬 B.基礎(chǔ)長(zhǎng) C.基礎(chǔ)厚 D.基礎(chǔ)重
A.邊長(zhǎng)*0.5 B.邊長(zhǎng)*0.7 C.邊長(zhǎng)*0.9 D.邊長(zhǎng)*1.2
A.5d B.8d C.10d D.15d