downcomer meaning in Chinese

下水管；落水管；下导管。

Design of fixture for jointing downcomer hard pipe of mazida automobile
马自达下水硬管焊接夹具的设计
The optimization of segmental downcomer of the ctst tray was also studied
实验还对ctst塔板弓形降液管的优化进行了初步研究。
Material receiving inspection number and steel grade shall be stamped on the heads , shells and downcomer nozzles
封头、筒体和集中下降管管座上必须打上工厂的材料检验编号和钢号。
In moist season , millipede would in vade your home from downcomer and green belt around home . swarm millipedes would let you feel thrillingness
在潮湿的季节，千足虫会从下水道和绿化地带向您的工作、生活空间侵入，成群成片的数量会使您感到毛骨悚然。
In a transparent plexiglas column with inner diameter of 600mm , the comparison of downcomer capacities between ctst tray and fl valve tray were studied with the air - water and foaming systems
在600mm的透明有机玻璃塔中，采用空气?水和易发泡物系，对两种塔板的降液管操作能力进行了比较研究。

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