low Ⅱ type concrete sleeper 矮Ⅱ型轨枕
low Ⅱ type concrete bridge sleeper 矮Ⅱ型桥枕
Ⅲ-type concrete sleeper Ⅲ型混凝土轨枕
boiling type low-pressure deliver unit 沸腾式低压压送装置
cup-type low speed current meter 旋杯式低流速仪
Dioscorea zingiberensis type low-light intensity 弱光生态型盾叶薯蓣
high-low-low temperature 中低低
high-low-low temperature process 中低低
Intelligent Type Low-voltage Circuit Breaker 智能型低压断路器
K-type low pass filter 定K型低通滤波器
LLWL (low-low water level) 低低水位
Low type frame 低空间
Low-low satellite to satellite tracking mode 低低跟踪模式
Low-Low Satellite-to-Satellite Tracking 低低卫卫跟踪
low-low water level switch 低-低水位开关
M-B Type Low Carbon High Strength Steel 低碳M-B型高强钢
mean low low water 平均特低水位; 平均较低低潮位
Medium-Low-Low Temperature 中-低-低; 中低低
mid low low temperature shift 中、低、低变换
mid low low temperature shift process NHD溶剂; 中低低变换工艺