overburden rock thickness

• 岩石覆盖厚度

overburden rock thickness的用法和样例：

例句

1. The preliminary thickness of the subsea tunnel rock cover was determined through using project analogy method.
   根据国内外已建成的海底隧道资料，采用工程类比方法初步确定象山港海底隧道的最小岩石覆盖厚度。