【字彙解釋】

boiler incrustation 鍋[爐水]垢

boiler

n. 汽鍋、鍋爐

incrustation

n. 硬殼, 結殼, 用硬殼包, 鑲嵌


【前後詞彙】

boiler horsepower 鍋爐馬力
boiler ignition oil pump 鍋爐燃油泵
boiler-feed capacity 鍋爐給水量
“a”
“c”
“~
boiler incrustation 鍋[爐水]垢
boiler induced-draft fan 鍋爐誘導通風扇
boiler installation 鍋爐裝置
boiler jacket 鍋爐外套
boiler lagging 鍋爐襯套；鍋爐包層