boulder rock 中文意思是什麼

boulder rock 解釋
漂礫石
  • boulder : n. 圓石，卵石；【地質學；地理學】冰礫，巨礫；漂礫。
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. Discovered in 1978 by a group of hikers, the lung ha wan rock carving is located on a vertical face of a badly weathered boulder facing east

    此石刻於一九七八年由一群旅行人士發現。紋飾刻於一塊向東的巖石面上。因久經風雨侵蝕，已極之模糊。
  2. During the deep - hole blasting for the excavation of guishan quarry for construction of baoquan pumped storage hydropower station, the blasting powder factor and the charging concentration of the blasting powder in the rock are reasonably controlled, and then the rate of blasting chunk is greatly decreased with the reduction of the working amount of the boulder blasting afterwards in conjunction with the suitable excavator and crusher etc

    摘要在寶泉抽水蓄能電站工程龜山料場開挖的深孔爆破中，合理控制了爆破單位耗藥量和炸藥在巖石中的集中度，最大限度地降低了大塊率，並結合使用適宜的開挖及破碎機械等措施，從而減少了二次爆破工作量。
  3. They were in beacon valley, a boulder filled area between glaciers, collecting volcanic ash from a seven - foot deep, v - shaped fissure in rock

    在布滿巨石的燈塔峽，他們從一個7深英尺的v型巖石裂縫中採集了火山灰。
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