catenation

d)When the door or window is open, the machine can't start to run because catenation design.the operator mustn't change the catenation figuration, nor press the travel switch or proximity switch.

在门或视窗开启状态下，按照本的连锁设计，不能启动。

Qualification of investors: technology transfer, catenation manage, independence sales, independence accounting, share market resources, and investors must have factory building, field, machines.

对投资者要求：技术转让、连锁经营、独销售、独核算、共享市场资源，厂房、场地、设自。