单词	head-rail
释义	head-rail 门框上帽头
随便看	pulse-rifle pulse ringing pulse ripple pulse rise pulse rise delay pulse risetime pulse rise time pulse rise time correction pulse rise time discriminator pulse rising edge pulse rocket engine pulse rocket motor pulser rack pulser rate meter pulsers pulser timer pulses pulse sample-and-hold circuit pulse sampling pulse sampling oscilloscope pulse-sampling technique pulse saturated channel electron multiplier pulse scaler pulse-scaling circuit pulse scavenging 贵不可言贵不期骄贵人善忘贵人多忘贵人多忘事贵人贱己贵冠履轻头足贵古贱今贵在知心贵壮贱弱早自习早茶早莅早蕨早衰早觉早起早车早轴子早退