九九热这里只有精品在线观看,久久久鲁,国产99视频在线,精品福利久久,久久官网,久久官网,久久精品国产一区老色匹

The testo 308 quantifies soot particle emissions more simply than ever before. The integrated pump and automatic measuring value presentation in the illuminated display means the laborious pumping and evaluation work which is considered to be synonymous with determining the smoke number is now old hat, or better still 'old soot'.

testo308量化的煙塵顆粒的排放量比以往任何時候都更簡單。集成的泵和自動測量發(fā)光顯示值表現(xiàn)意味著費力抽水和評價工作是確定煙霧同義現(xiàn)在的舊帽子，使攜式煙氣分析儀，或者更好的是“老煙”。