“kelly”的概念、定义、翻译、参考文献-科学参考

单词	kelly
释义	kelly [`kel·ē] ^{PETROLEUM ENGINEERING} A pipe attached to the top of a drill string and turned during drilling; transmits twisting torque from the rotary machinery to the drill string and ultimately to the bit.
随便看	platinum platinum bichloride platinum black platinum chloride platinum dichloride platinum diiodide platinum electrode platinum iodide platinum-iridium alloy platinum metal platinum Mohr platinum oxide platinum potassium chloride platinum resistance thermometer platinum-rhodium alloy platinum sodium chloride platinum sponge platinum sulfate platonic year platte platter plattnerite Plattner's process platy Platyasterida

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