常見例句雙語例句Effects of nano diamond particles on contact fatigue life of steel ball were evaluated on a self-made ball-rod contact fatigue tester.利用自制的球-棒疲勞試驗(yàn)機(jī)，研究了納米金剛石粉對鋼球接觸疲勞壽命的影響。Through the shallow hardening treatment, the steel T8A can have better contact-fatigue resistance to the repeatedimpactload-test and can be used for making the piston of rock drill.經(jīng)薄層硬化的T8A鋼，可以獲得較好的多沖接觸疲勞抗力，故有可能作為鑿巖機(jī)活塞用材。Driver fatigue driving is a major factor that causes frequent traffic accidents frequent. Vehicle, non-contact, real-time driving fatigue testing equipment is the main research directions.駕駛員疲勞駕駛是導(dǎo)致交通事故頻頻發(fā)生的主要因素之一，車載的、非接觸式的、實(shí)時的駕駛疲勞檢測設(shè)備是研究的主流。 返回 contact fatigue