国产特级毛片aaaaaa喷潮,亚洲区自拍偷拍,中文字幕第一页久久,色在线网站,免费黄色小片,91狠狠操,最新av不卡

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)候都更簡單。集成的泵和自動測量發(fā)光顯示值表現(xiàn)意味著費(fèi)力抽水和評價(jià)工作是確定煙霧同義現(xiàn)在的舊帽子，，或者更好的是“老煙”。