constant pressure valve 恒压阀[不论阀前压力如何变化,都能保持阀后压力稳定的阀门]
constant temperature 恒温
constant temperature and humidity 恒温恒湿
constant temperature control 定温控制
constant temperature room 恒温室
constant velocity 恒速
constant volume-variable temperature system 定风量变温系统
construction engineering installation 建筑[施工]工程安装
construction materials 建筑材料
construction plan 施工计划,施工布置图
construction work starting 动工
consultation 协商;参阅;考虑;咨询