福克斯词典 \

英汉例句

\ 硬性的例句（硬性在句子中的用法）

硬性的例句（硬性在句子中的用法）

Attendance at these lectures is not compulsory. 这些课不是硬性规定要听的。
The material with high water is a new water - hardening inorganic gelling material. 高水材料是一种新型水硬性无机胶凝材料,水灰比高达3.0.
Sinter type fastigiate - handle drills: Use for drilling and brickle material such as glass, ceramics etc. 产品描述:烧结锥柄钻头: 适用于玻璃、陶瓷等硬性材料的钻孔.

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