密闭

例句与用法

Closure systems for use with flexible air ducts and air connectors
同柔性风管和风管接头一起使用的密闭系统
Effect on worker ' s heath in the underground semi - closed circumstance
地下半密闭环境对作业人员健康影响的调查
With colsed operation , neither dust flying nor spray splashing will appear
密闭操作，无粉尘飞扬和喷液飞溅。
Standard for safety for closure systems for use with rigid air ducts
与刚性风管一起使用的密闭系统的安全标准
Safe work in confined spaces
密闭空间工作安全措施
Continuous pressure feeder
密闭式连续加压供料器
Energetic materials for defense - performance - burning in closed vessel
国防用高能材料.性能.在密闭容器中燃烧
Basal airtight fumigation in plastic skirts against dendroctonus valens
塑料裙干基密闭熏蒸法防治红脂大小蠹试验
Chloroprene foam rubber sealing sfrip for steel doors and windows stick - on type
氯丁海绵橡胶粘贴式钢门窗密闭条
Closed layout of gathering system
密闭集输流程