“pressure ring”的概念、定义、翻译、参考文献-科学参考

单词	pressure ring
释义	pressure ring [`presh·ǝr ´riŋ] ^{MINING ENGINEERING} A ring about a large excavated area, evidenced by distortion of the openings near the main excavation.
随便看	sidetone ranging sidetrack sidetracking sidewalk side-wall sampling sideways feed Sidewinder siding SIDS siegbahn siege-howitzer siegenite siemens Siemens' electrodynamometer sienna Sierolomorphidae sierozem Sierpinski gasket Sierpinski set sierra sieve sieve analysis sieve area sieve cell sieve classification

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