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词汇
老大難
释义
老大難
lǎo dà nàn
形容问题很多,积重难返,不易改进的情况knotty；be hard nut to crack；be long-standing,big and difficult problem
老大难的技术问题
老大难
随便看
high heat-proof
high heat resistance
high-heat-resistant
high-heat-resistant aluminum coating
High heat seal strength and dash resistance
high heat transfer enhancement
high heat treatment
high-heat treatment
high heat value
high heat waste
high-heat waste
high heavy ion track
high/heavy/rough sea
highhede
high hedge
high-heeded shoes
high heel
high hiding color
high-hiding color
high-hiding colour
high hig
high high
high high duty end
high-high level float switch
high high mass polymers
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更新时间：2026/9/26 4:10:18