drll 中文意思是什麼
drll
解釋
劉力主創工作室-
Since 1972, j series hammers and various rock drll bits have been developed, among them two products have won the prices of the national science conferences and fourteen products obtained scientific and technical achievement prices from the metaillurgy, ministry. all the products have been widely used in metal, coal, and industrial mineral mines, hydroelectrie construction sites and sold to the foreign markets as well. cimr machinery plant is a department responsible for trial - producing, manufacturing and marketing the research achievements of cimr, it has started manufacturing hammers and rock drill bits since 1958
在與tanhoanganh公司主要代理建築和工程機械總經理nguyen huy huyen的交流過程中，當我們談到cs165智能整體型一體化液壓潛孔鉆機可鉆鑿100m深的孔，能把偏斜率控制在1 %以內，整個鑿巖過程在定位完成後自動完成，並配備了雙動力驅動系統時，他舉起大拇指，大呼「 powerful
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