91一级免费视频网站,淫淫涩涩伊人,国产成人精品免费视频大全五级,又污又黄又无遮挡网站,91热这里只有精品,国产ssss在线观看极品,激情综合亚洲欧美日韩

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(shí)候都更簡(jiǎn)單。集成的泵和自動(dòng)測(cè)量發(fā)光顯示值表現(xiàn)意味著費(fèi)力抽水和評(píng)價(jià)工作是確定煙霧同義現(xiàn)在的舊帽子，德圖335煙氣分析儀，或者更好的是“老煙”。