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锅炉外壳
 锅炉外壳
archit. boiler casing
met. boiler shell
| 覆层
 覆层
ecol. coating; covering layer; coverage
met. coat; encasing
oil cladding
|
 和
gen. and
| 绝缘
 绝缘
environ. insulation

to phrases
锅炉外壳
archit. boiler casing (围壁)
met. boiler shell
tech. boiler jacket; boiler casing
锅炉外壳
: 4 phrases in 1 subject
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