Pre compression is required for all parts as otherwise the requirements (reference value) ≤ 0,1 mm cannot be reached. " p% B8 F+ o( W5 v7 vThe stability test will only be carried out on some parts (5 pieces out of every 10.000 pieces). ( P4 f7 O+ E, r3 I! n有接触过国外压铸铝的大哥给我个帮助。 9 r$ U# ?2 J9 {9 K第二句里面有个稳定性测试,请问他是指那个方面呢?有没有标准可循?