M6-M14的普通螺纹丝锥为()一套。
A.一只
B.二只
C.三只
D.四只
参考答案:B
The new railway ___ this village ___ that one.
A.has joined…to
B.has been joined… to
C.has joined… with
D.has been joined…with
涂装预处理是涂料施工过程中重要的一道工序,它关系到涂层的___、___和___。