石料开采 meaning in Chinese

quarrying

( 2 ) combined with engineering practice of shuicheng reservoir , and use the value engineering technology to analyze the technological and economical benefit of the mining technology of its rock - fill material . this is the first time the value engineering was used in the construction of the medium - sized hydraulic engineering in yunnan province , and has gained great success
( 2 )结合水城水库工程实践，用价值工程技术经济分析方法对水四川大学工程硕十学位论文城水库大坝的坝体填筑堆石料开采工艺进行价值分析，这在云南省的中型水利工程施工中是有首次，并且取得了巨大成功。
( 6 ) under the same conditions of the personnel and machinery and materials , that using value engineering into the mining technology of the rock - fill material gave rise to the direct economic performance of 5 , 02 million , but the cost of the value engineering activity being used is only 14 thousand , that is to say the investment of y 1 has gained beneficial result of 359
( 6 )价值工程应用于水城水库大坝堆石料开采工艺，在不增加人员、机械、材料物资的情况下，产生直接经济效益502 . 38万元，用于价值工程活动的费用是1 . 4万元，取得了1元收益近359元的投资效益。