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103隊古洞溝豎井的210m及150m中段的探礦設計,除有较大量的水平巷道外,還有很多60—70m的高天井。過去天井打眼係用局部壓力水桶供水,當天井高度逐漸增大時,壓力水即無法供給或者很困
The prospecting design for the 210m and 150m middle sections of the 103 Kwu Tung ditch silos includes a lot of 60-70m high patios in addition to a large number of horizontal tunnels. In the past, the ophthalmic system used local water pressure to feed the water. When the height of the well was gradually increased, the pressure water could not be supplied or was very difficult