Ink replenishing device, sub ink tank, and ink jet recording apparatus.
墨水补充装置，辅助墨盒，以及喷墨记录设备。
Ink absorbing body, ink tank, ink-jet cartridge and ink-jet printing apparatus.
吸墨体，墨盒，喷墨卡盒和喷墨印刷设备。
A survey shows that steam wasted more at the condensate pump plant in a steam heating system. Applies apparatus to measure ste am amount at the exhaust pipe in condensate tank.
某蒸汽供暖系统中凝水泵房处蒸汽损耗大，采用仪器直接对凝水箱蒸汽排空管的蒸汽排放量进行实测，给出测量方法。
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