| 单词 | rock mass |
| 释义 | > as lemmasrock mass rock mass n. ΚΠ 1805 Jameson Min. Descr. Dumfries 94 An extensive quarry, where a great rock mass of limestone is exposed: it is distinctly stratified. 1913 J. P. Iddings Igneous Rocks II. i. i. 5 In one region the composition of a nearly homogeneous rock mass..may assume a certain local petrographical significance. 1991 Highway & Heavy Constr. Nov. 40/1 The broad expanse of rock mass required special precautions during excavation and support. < as lemmas |
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