Fundamental rock-drilling studies are aimed at optimizing the drilling efficiency by identifying the optimal drilling conditions and rock drillability. In this study, a field-drilling test is performed using a rotary non-percu. [pdf]
Dongguan is dubbed as a "National Basketball City" and is the only prefecture-level city with three professional basketball clubs in China. Established in 1993, the are the first professional basketball club in China, and won eleven (CBA) championships. The city hosted events during the at the [pdf]
Kaihua County (: ; : ; : Kāihuà Xiàn) is a county under the jurisdiction of city in of the . It is located in the westernmost portion of Zhejiang, and is the source of the . The district's total area is 2224 square kilometers, and its population is 340,000 people. The dist. [pdf]
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