TYJL-II型计算机联锁系统的联锁机与监控机之间通过（）交换信息。
参考答案：联锁总线
The plan ________encourage the employees to improve their work turned out to be a success.
A．having designed to
B．designed to
C．to design to
D．designing to
釉具有固定熔点。
