Serious collapsing is always existed in the drilling process in Shaximiao formation of Zhongjiang area, which brings technical difficulty in drilling operation and huge economic loss.

中江地区沙溪庙组地层在钻井过程中一直存在比较严重的垮塌现象，给该区钻井施工带来较大的技术难题和经济上造成较大损失。

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He will explain that his miserly opponents, like the kooky Tea Party, favor collapsing bridges, traffic jams, and the loss of international competitiveness.

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