阀控铅酸蓄电池(VRLA电池)
Valve-regulated lead-acid battery
海水-海气交换
Exchange between seawater and atmosphere
海水水包油钻井液
oil in sea water drilling mud
海水水冷柜机
seawater-cooling conditioning unit
海水水质标准
Seawater quality standard
Sea water quality standard
海水水质评价
seawater quality assessment