manual pump中文什么意思

例句与用法

1. Because of low pressure required , even manual pumping can filter water successfully to achieve the potable water quality
   因为水力过滤器所要求的压力小，在受灾区域没有电力供应的情况下，通过手动水泵实现正常过滤，保证受灾人员的饮用水安全。
2. Two liquid nitrogen cooling systems are available . the lnp94 / 2 can be automatically controlled by the temperature programmer or by selecting one of 5 manual pump speeds
   可以使用两套液氮冷却系统。 lnp94 / 2可以自动地由温度程序控制器控制，或选择5种手动泵速。
3. The waterproof layer and partial structures of composite linings were simulated by single and double shell concrete test slabs , and the seepage water pressure was applied to the slabs with the manual pump
   通过单层、双层混凝土试验板对防水层及隧道衬砌的局部结构进行了模拟，并通过手动泵进行渗漏水压加载。