单词YV
网络: 青年创业(Youth Venture)；电磁阀；屈服值(yield value)
Without the distraction of YV, they might sit around together after dinner and actually talk to oen another.
没有了电视的分心，他们也许会在晚餐后围坐在一起，真心地彼此交谈。
how long YV do you watch_every day?
你每天看多久电视？。
YV Signal gating (protective logic, alarm logic etc. )
信号选通（保护逻辑、报警逻辑）