短語(yǔ)詞組短語(yǔ)multiple point borehole extensometer 多點(diǎn)鉆孔伸長(zhǎng)計(jì)multiple position borehole extensometer 多點(diǎn)位移計(jì)borehole extensometer observation 深基點(diǎn)觀測(cè) 返回 borehole extensometer