The wastewater samples is transmitted by an air - operated aspirator to the liquid injection valve.用气动吸引器将废水试样送入液体注射阀.The machine is supply with widia cutter, anti accident system and dust aspirator.该机器配有宽扫刀 、 安全防护装置和吸尘器...
那名女歌手依旧穿着非常暴露的服装,完全不似她这把岁数。The singer continues to defy her age by wearing the scantiest of outfits.要尊重当地的礼节。朴素端庄的衣着往往比暴露的短裤和紧身上衣更合适。Respect the local etiquete. Modest clothing is often preferable to revealing shorts and...