face-hardened
美
英 
英汉解释
例句
As his mother read it, her face hardened and became more expressionless.
母亲读信时,脸沉了下来,变得更加没有表情。
The doctor nodded, thoughtful, his fingers probing gently against the glands under my jaw. Charlie's face hardened.
医生点点头,思索着,他的手指温柔地让挫入我颚下的腺体。查理的脸绷紧了。
On this basis, the contrast test of die lifetime was done, the reasonable die material and face-hardened technology were determined.
在此基础上,进行了模具寿命对比试验,确定了合理的模具选材和表面强化工艺。
His face hardened at the word.
他听到这话,脸沉了下来。
Profile Modification of Diagonal Contact Error in Scraping Face-hardened Spiral Bevel Gear
弧齿锥齿轮硬齿刮削加工中对角接触误差的修正