长的烤瓷熔附金属桥,在各分段的金属基底冠上烤瓷结束,并经过形态修整和上釉完成后,所采取的焊接方法常用的是
A.转移焊接法
B.后焊接
C.连模焊接
D.前焊接
E.离模焊接
参考答案:B
纳税人因有(),不能按期缴纳税款的,经省、自治区、直辖市国家税务局、地方税务局批准,可以(),但是最长不得超3过个月。
Henry can't attend the party __________ at Tom's house at present because he is preparing the speech at the party __________ at Marie's house tomorrow.[ ]
A. held; being held
B. to be held; to be held
C. to be held; held |
D. being held; to be held