crustation
美 [kr?s'te???n]
英 [kr?s'te???n] 
- n.結殼;結垢
- 網絡殼化作用;坐在角落里歌唱;美麗駿馬
英漢解釋
例句
" Water flees fleas" are not insects but copepods , a crustation crustacean like lobster lobsters and crabs crabs but extremely small.
水蚤不是昆蟲類而是橈腳類的動物,像龍蝦或螃蟹那樣有甲殼的,但是非常小的。
The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.
在套損井中,由于套管變形、結垢等因素,進一步加大了封隔器卡鉆的可能性。