双语例句
NH3-N and concentration of particles reached lnd standard of sewage treatment plant.
浓度和浊度达到国家一级排放标准。
Participate team meetings, related operation skills training and assessment requested by LND.
参与班组会议及相关的操作技能培训和考核；
词典释义：
lnd
时间: 2026-01-05 20:54:47
左颈部清扫术