低加疏水箱
drain tank of low-pressure heater
低低水位
LLWL (low-low water level
低-低水位开关
low-low water level switch
低碱低C3A低水化热水泥
low-alkali low-C3A and low-heat cement
低水低排
low water level and low-speed drainage
内冷水水箱溢流
overflow of inner cooling water tank
水箱水池
water tank and water pool
PCVD低水峰光纤
PCVD low water peak fiber
超低水分
uitra-low moisture content