基本解釋主水平基準(zhǔn)英漢例句雙語(yǔ)例句The deepest point is 66metres below Principal Datum in Lo Chau Mun (Beaufort Channel) north of Po Toi Island.最深的地方則位於蒲臺(tái)島以北的螺洲門(mén)，低於海拔66米。The performance, characteristics and principal technical datum of GSS-800 consumable electrode water jet semiautomatic underwater cutting apparatus are also outlined.扼要介紹了GSS-800型半自動(dòng)熔化極水噴射水下電弧切割設(shè)備的性能，特點(diǎn)和主要技術(shù)蓡數(shù)。principal datum更多例句詞組短語(yǔ)短語(yǔ)Hong Kong Principal Datum 香港主水平基準(zhǔn);香港主要高程基準(zhǔn)麪meter above principal datum 主水平基準(zhǔn)以上hong kong principal datum hkpd 香港高程基準(zhǔn)麪principal datum更多詞組專(zhuān)業(yè)釋義機(jī)械工程主水平基準(zhǔn)土木建築工程主基準(zhǔn)麪