不知道大家发现了么,EN1563中8.3.2sample and test pieces有段话“...cast-on samples should be chosen in preference to separately cast sample when the unit mass of the castings is equal to or greater than 2000kg ........”在这句话中,。。。当铸件重量等于或大于2000kg时选择单铸试块。。,事实上,铸件重量在超过2000kg时应选用附铸试块,不知道我说的对否?