请教这句话什么意思啊？
在加拿大 PERMISSABLE VARIATION FROM THE NOMINAL POSITION IN THE PITCH AND SPACING OF MARKED -OUT HOLES FOR ROUGH WORK, NOT INVOLVING THE MATING OF PRE-DRILLED PARTS 谢谢。。。 评论 允许标记出的孔位变动，但不包括成套的预钻件...华人论坛
在加拿大 PERMISSABLE VARIATION FROM THE NOMINAL POSITION IN THE PITCH AND SPACING OF MARKED -OUT HOLES FOR ROUGH WORK, NOT INVOLVING THE MATING OF PRE-DRILLED PARTS 谢谢。。。 评论 允许标记出的孔位变动，但不包括成套的预钻件...华人论坛