Cross scavenging requires the fitting of () to prevent air or exhaust gas escape when the piston is at the top of the stroke.
A、a exhaust valve
B、a piston skirt
C、a piston crown
D、an air suction valve
A、a exhaust valve
B、a piston skirt
C、a piston crown
D、an air suction valve
A、reciprocating motion of exhaust valves B、rotary motion of the camshaft C、reciprocating motion of the piston D、developed differential
A、电路的输出端不能浮空,否则Cross Talk可能会引起电路的误操作。 B、Cross Talk是由于连线之间存在耦合电容引起的。 C、在两条敏感连线之间加入一条接地金属线,可以减少Cross Talk的影响。 D、一般来说,连线上信号的频率越高,Cross Talk影响就越小。