如果没有实地观察了，确定的时间期限被分配到活动的基础上，印度的生产力标准的建议(is 7272 1978)。
Where no site observation was made, deterministic time duration was assigned to activities based on Indian Standard productivity recommendations (IS7272 1978).
如果没有实地观察了，确定的时间期限被分配到活动的基础上，印度的生产力标准的建议(is 7272 1978)。
Where no site observation was made, deterministic time duration was assigned to activities based on Indian Standard productivity recommendations (IS7272 1978).
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