到了某一深度，那些洞窟孔道便不再是文明的精神力量能钻得进的，人的呼吸能力的限度已经被超出，魔怪有了开始出现的可能。
At a certain depth, the excavations are no longer penetrable by the spirit of civilization, the limit breathable by man has been passed; a beginning of monsters is possible.
对国内进行巡潜深度-时程的科研设计，以及根据科研实验数据进一步制订空气不减压向下巡潜时间限度表，有一定的参考价位。
This is of reference value in designing scientific research of no-decompression downward excursion breathing air and working out excursion table adapting home divers.
对国内进行巡潜深度-时程的科研设计，以及根据科研实验数据进一步制订空气不减压向下巡潜时间限度表，有一定的参考价位。
This is of reference value in designing scientific research of no-decompression downward excursion breathing air and working out excursion table adapting home divers.
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