英文:The workers are pumping water out of the flooded basement. 中文:工人们正在把地下室里的积水抽出来。 英文:The heart is like a pump, constantly pumping blood throughout the body. 中文:心脏就像一个泵,不断地将血液输送到全身。 英文:I need to pump up my bike tires before...
The machine is pumping water out of the flooded basement.(这台机器正在把地下室的水抽出来。) Oil is pumping from the well.(石油正从油井中涌出。) The doctor had to perform pumping on the patient to remove the poison from her stomach.(医生不得不对病人进行洗胃,以清除她胃中的毒药。) 词根分...
into the pneumatic tank. Thus it is possible, when desired, to drain off all the water from the pneumatic tank and still retain the water in the air separating chamber so as to maintain the centrifugal pump in a flooded condition. The importance of this feature lies in the fact that the...