Electric fuel pump is an important part of automobile fuel feed system, which absorbs fuel from fuel tank and provide it to the air crocks of engine by fuel injection.
Obstruction of the circulatory system caused by an air bubble as e. g. accidentally during surgery or hypodermic injection or as a complication from scuba diving.
进入静脉的气泡所造成的循环阻塞，气泡通常是通过伤口进入的。
3
Compositions of the test bench were introduced; the basic design of airinjectionsystem and its transient measurement and control system to meet the test requirements were described.