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The changes shall be reviewed, verified and validated, as appropriate , and approved before implementation.
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老实说,英文原版可以理解为评审验证确认是必须的,) J! x* _6 c" J5 S
适当时,在实施前经过批准。
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+ R+ [, n7 L: J7 ^% w9 bas appropriate 究竟是就前还是就后,还真不好说 |
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