At present, the advanced technology of mechanical seal is the surface shape changed, the combined seal and the controllable mechanical seal.
目前先进的机械密封应用技术主要有表面改形技术、组合密封技术和可控机械密封技术。
The storage technology of combined sewerage overflow is a key technology to control the surface pollution and cut pollution load.
合流制排水系统溢流调蓄技术是控制面源污染、削减污染负荷的一项关键技术。
The silicon bonding technology is generally combined with surface silicon machining and bulk silicon machining in MEMS.
硅片键合往往与表面硅加工和体硅加工相结合，用在MEMS的加工工艺中。
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