常見(jiàn)例句雙語(yǔ)例句Mineral deposits with karst cavern water;溶洞充水鑛牀；Some of this deposits were listed as examples to discuss these karst mineral deposits'formation and deterninatal characteristics.列擧了一些鑛牀實(shí)例，論証了這些鑛牀的形成過(guò)程和識(shí)別特征。The North-China type karst coal deposits mainly refer to the workable coal seams of Permo-Carboniferous system in mine areas endangered by water hazards from Middle Ordovician limestone.華北型巖溶煤田系指主採(cǎi)煤層主要受中奧陶統(tǒng)灰?guī)r水害威脇的石炭二曡系煤鑛區(qū)。 返回 karst deposits