随着DCS和PLC的发展,两者之间的界线越来越(),功能相互()。
参考答案:模糊;渗透
When I first lived abroad, I had to do the housework for others____a week’s accommodation.
A.in exchange for
B.with regard to
C.by means of
D.in place of
车间安全例会应以贯彻落实()要求为重点。
A、车间安全例会
B、段安全例会
C、科室安全例会
D、班组安全例会