2. We have sent a provisional confirmation to 112. ���Ǽ���һ����ʱ��ȷ���Ÿ�112��
3. The quantities given in the Bill of Quantities are estimated and provisional, and are given to provide a common basis for bidding. �ڹ��̱����г��Ĺ�������һ����ʱ�Ĺ���ֵ����Щ��ֵ�������ṩһ����ͬ�Ļ������ꡣ
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adj.
1. under terms not final or fully worked out or agreed upon