It’s been pretty in-depth, so we’d like to take a step back, move to more shallow ground, and take a look at why we would want class reloading to work in the first place.

所涉内容已经相当深入，因此我们想往回退一步，转移到较浅显的地带，研究一下为什么我们首先希望的是类重载生效？

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It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters.

不是因为真理之河太脏，而是因为它太浅，爱知识的人才不愿涉足其中。

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Step one is to grout with low grouting pressure to fill the gravel pack interval and blocked the channels which relieves the grouting pressure in the shallow surrounding rock.

“一步”低压注浆充填壁后散体状碎石充填层，堵塞浅部围岩泄压通道；

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