river-crossing leveling

常见例句

Long distance river-crossing leveling is an important job in the elevation control of the long-span bridge construction.
針對特大跨逕橋梁高索塔施工中精密高程傳遞要求，闡述了四種竪曏高程傳遞的方法及作業措施。
Long distance river-crossing leveling is an important job in the elevation control of the long-span bridge construction.
長距離跨河水準測量是特大跨逕橋梁建設中高程控制的一項重要內容。
This paper introduced the field selection, field planning, vane production, observation methods, and record format of river-crossing leveling in detail.
詳細介紹了光學測微法跨江水準測量方法、場地選擇、場地佈設、硯板制作、觀測方法、記錄格式等內容。