Despite their speed, the IDSN, ADSL and HDSL protocols do have limitations.尽管传输速度快, ISDN 、 ADSL和HDSL协议也都有局限性.With HDSL, they can do it in an hour.用HDSL,安装只要1小时.HDSL is the most established of the XDSL technologies.HDSL是X...
It is real power ( kW ) divided by the power factor ( PF ) .它等于有功功率 ( kW )除以功率因数.KW series thermal protectors are applicable for more than 5000 cycles.KW系列保护器在下述条件下可分断接通保护5000次.And China may get 70 million KW account for...
He’s cutting grass with a scythe.他正在用一把大镰刀割草。He was very busy, putting an edge on a scythe.他正忙着干活, 在磨一把长柄大镰刀的刃儿.He's cutting grass with a scythe.他正在用一把大镰刀割草.Tom, just cut his arm with a scythe , tumbled on it in the...