英语词汇four-ball tester怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	four-ball tester
释义	four-ball tester 简明释义四球机；四球试验机网络释义 1 ?四球试验机 ... foundation pile 基础管桩 four-ball tester 四球试验机 Fourier diffraction projection theorem 傅里叶绕射投影原理 ... 2 ?四球式试验机 ... · 清净性 detergency · 四球式试验机 four-ball tester · 酸值 acid number ... 短语 1 four ball tester 四球机 2 four-ball extreme pressure tester 四球极压试验机 3 four-ball ep lubricant tester 四球式极压润滑剂试验机双语例句 1 Their antiwear and extreme pressure properties in rapeseed oil and water were tested on the four-ball tester. 通过四球试验机考察了它们在菜籽油和水中的抗磨性能与极压性能。 2 Typical samples were tested and characterized by four-ball tester, optical microscope, XRD and SEM observation. 采用四球试验机、光学显微镜、XRD、SEM等分析手段进行了测试与表征。 3 Their anti-wear and extreme pressure properties in rapeseed base oil and mineral base oil were tested on the four-ball tester. 通过四球试验机考察了它们在菜籽油和矿物油中的抗磨性能与极压性能；
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。