The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.

在套损井中,由于套、结垢等因素,进一步加大了封隔器卡钻的能性。

" Water flees fleas" are not insects but copepods, a crustation crustacean like lubster lobsters and crubs crabs but extremely small.

水蚤不是昆虫类而是桡脚类的动物，或螃蟹那样有甲壳的，但是非常小的。