苏州瓷土矿阳西竖井,在建井过程中,于1973年7月发生井壁严重片邦,造成-25米水平以下长达19米井筒劈裂事故。竖井工程被迫停工达3个月之久。后来,在各级党委的领导下,克服了种种困难,用2个月时间抢修了24米井筒。于1974年2月将井筒和马头门全部掘砌完毕,同年10月安装后交付使用。 Yangzhou China clay Yangxi shaft, in the process of building wells, in 1973 July serious wall wells state, resulting in -25 meters below the level of up to 19 meters wellbore split. Shaft construction was suspended for 3 months. Later, under the leadership of the Party committees at all levels, they overcame various difficulties and repaired the 24-meter wellbore in two months. In 1974 February the wellbore and Ma Tau door all digging completed, in October the same year after installation for delivery.