国产午夜精品福利,99超碰在线观看超碰在线观看,点击进入av毛片在线,青青草欧美,夜夜操b天天干天天操天天,日日摸夜夜天堂五月亚洲,亚州精品国产三级

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，使攜式煙氣分析儀，或者更好的是“老煙”。