created sense approved 凿岩/鑿岩 · záoyán · rock drilling — "Initial import from upstream dictionary"
凿岩 / 鑿岩
záoyán
rock drilling
the process of drilling or boring into rock, typically used in mining or construction context
凿, 岩
凿 (literal) → 凿/鑿 · záo · to chisel 岩 (literal) → 岩 · yán · rock
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition