Goodluck Electronic Equipment Co.,Ltd . Goodluck Electronic Equipment Co.,Ltd is one of the premier centre for refurbished surface mount and Thru-hole Assembly technology in Asia. Staying competitive in today's SMT assembly marketplace means managing costs and getting the best value for your equipment investment. At Equipment Services, we offer you quality used SMT equipment & spare parts at affordable prices, delivered anywhere in the world. 深圳市福好運(yùn)貿(mào)易有限公司是一家從事JUKI及YAMAHA貼片機(jī)銷(xiāo)售及維修保養(yǎng)服務(wù),附屬生產(chǎn)經(jīng)營(yíng)SMT設(shè)備及其周邊產(chǎn)品的銷(xiāo)售、設(shè)備維修和技術(shù)服務(wù)及高料技節(jié)能產(chǎn)品研發(fā)生產(chǎn)的專(zhuān)業(yè)化生產(chǎn)技術(shù)貿(mào)易型企業(yè)。

示波器的精度一般是2%或更大，更多的時(shí)候它的作用是觀察波形。 有效數(shù)字根據(jù)你自己的需求選擇。