<span style="font-size: 11pt; font-family: "微软雅黑","sans-serif"; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">技术创新对企业安全生产降本提效的作用</span>

宋日

Effect of technology innovation on reducing cost and improving efficiency in enterprises safety production

SONG Ri

露天采矿技术 . 2016, (4): 93 -96 .