crustation

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

在套损井中,由于套管变形、结垢等因素,进一步加大了封隔器卡能性。

2." 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物，像龙虾或螃蟹那样有甲壳，但是。