Not the less, however, came this importunately obtrusive sense of change.然而, 那种起了变化的突出感觉仍然丝毫不减地纠缠着他.These heaters are less obtrusive and are easy to store away in the summer.这些加热器没那么碍眼，夏天收起来也很方便。"You are rude and obtrusi...
Dysprosium lamp: Light source for repro - photography and printing down.镝灯: 复制照相及晒版用光源之一.Three 3500 W dysprosium lamps are installed on each tower crane for site lighting during night.罐体施工现场:在每台塔吊上装三盏3500W镝灯用于现场夜间照明.A su...