员工们不知道通过何种方式（渠道）及时接受和发出工程信息.
By no means or channels(根本就不) did these staff/personnel know to receive or send engineering information promptly.
倒装式,状语前置（by no means or channels）,相当于
The staff didn't know to receive or send project message timely by any means or channels.
强调“不知道通过何种”这部分
供参