Lower Surface  底面; 下表面

lower surface grinding width  下侧平面研磨宽度

lower-surface-free-energy surface  低表面能表面

paint for lower surface treatment  低表面处理涂料

thermal difference between upper and lower surface  管板上下表面温差

upper and lower surface  上下游曲面

burden surface  料面; 脉宽调制

burden surface distribution  料面形状

burden surface distribution model  PWM调制; 脉冲宽度调制; 脉宽调制; 脉宽调制(PWM); 料面分布模型

burden surface temperature field  低分子量肝素; 低分子肝素; 料面温度场

burden surface temperature profile  料面温度场

temperature field of burden surface  料面温度场

surface-surface contact  面—面接触

surface-surface conventional missile  地地常规导弹

Surface-surface intersection  曲面求交; 曲面交线

lower temperature and lower turbidity  低温低浊

the lower part of Lower Ganchaigou Formation  下干柴沟组下段

protein formula with lower natrium and lower phosphorum  低钠低磷型蛋白质制剂

conventional surface to surface missile  地地常规导弹