We have conducted a series of research and development on vacuum pumps since the r d team was formed on april 1st , 2004 本研发团队自成立以来，不断在真空帮浦这个领域进行一系列的研发，前前后后已有八年的时间。
9.
The neuron ' s sodium pumps then close , and other pumps clear the sodium out of the cell so it can be ready to fire again 接下来该神经元的钠帮浦会关闭，而其他帮浦会把钠离子清到细胞外，让该神经元能够准备再次触发。
10.
A complaint service lets villagers report local problems , such as malfunctioning hand pumps or teachers failing to show up at schools 该网路还提供投诉服务，让村民提报地方上的问题，好比抽水帮浦故障，或是教师没来学校上课。
