选煤消耗清水量
参考答案：
指自用水源、井下排出水及自来水厂供给的补充清水。不包括循环水和生活用水。
In America when you're given a present, you can open it ________. You don't have to wait. [ ]
A. immediately
B. properly
C. carefully
D. quietly
吞咽对口腔、颌、面生长发育有哪些主要影响？
