石門掘進 的英文怎麼說
中文拼音 [dànménjuéjìn]
石門掘進
英文
cross cutting-
Following the enforcement of the antiquities and monuments ordinance in 1976, the antiquities and monuments office commissioned two territory - wide archaeological surveys which had both resulted in the discovery of many important archaeological sites in tuen mun. in recent years, the amo has conducted a number of archaeological investigations and rescue excavations in response to the infrastructural works carried out in the district where many relics and historic sites from the neolithic period, the bronze age as well as the han, tang, song, ming and qing dynasties were unearthed
自一九七六年古物及古跡條例實施后，古物古跡辦事處曾主持兩次全港性考古普查，均在屯門發現多處重要遺址；近年辦事處為配合區內的基建工程，曾進行了多項考古調查與搶救發掘，出土大量新石器時代、青銅時代、漢代、唐宋以至明清時期的遺物與遺跡。Comprehensive gas control in heading face at crosscut in high outburst mine
高突礦井石門掘進工作面的瓦斯綜合治理技術The directional breaking blasting technology for underground development used in xishimen iron mine is described. a comprehensive summary is made of it which includes the test technology, the blasting parameters and the on - site application effect so as to provide precious experiences for other mines
論述了西石門鐵礦井下掘進定向斷裂爆破技術，對其試驗工藝、爆破參數、現場應用效果等方面進行了全面總結，為其它礦山井下掘進提供了寶貴經驗。
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