基础按()划分,可分为条形基础、独立基础、井格基础和筏板基础等。
A.构造
B.材料
C.埋深
D.施工方法
参考答案:A
所有类型的甲状腺功能减退症均需补充()
A.甲状腺激素
B.维生素B12
C.维生素B1
D.叶酸
E.铁剂
During fueling, all doors. Hatches,and ports().
A.to windward should be opened and the ones to leeward should be closed
B.to leeward should be opened and the ones to windward should be closed
C.should be opened
D.should be closed