contact support meaning in English

端扭支架
端钮支架

Any questions or problems , please contact support center
任何问题,请联系支持中心
If the problem persists , contact support
如问题持续，请联络技术支援。
2 relay outputs contact support latching or momentary outputs
2个继电器支援暂态或常态输出
Error on " item " field : the maximum number of times this license can be re - hosted has been exceeded . please contact support for assistance
好象是我第一次注册时输入信息有误,是否可以重新注册,请求您的帮助
A red window would appear , notifying you that the a virus is found , please click " clean " in that window . if problem persists , please contact support
一个红色视窗会出现，通知你找到一苹病毒，请按在那视窗按"清除" 。如问题持续，请联络技术支援。