| 单词 | rock-bulk compressibility | 
| 释义 | rock-bulk compressibility [`räk ¦bǝlk kǝm´pres·ǝ`bil·ǝd·ē]  GEOLOGY One of three types of rock compressibility (matrix, bulk, and pore); the fractional change in volume of the bulk volume of the rock with a unit change in pressure.  | 
	
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