测定混凝土外加剂中固体含量不需要()仪器
A、天平
B、干燥器
C、漏斗
D、带盖称量瓶
参考答案:C
下列哪些为法洛四联症的畸形组成()
A.右心室肥厚
B.左心室肥厚
C.主动脉骑跨
D.室间隔缺损
E.右室流出道梗阻
( ) would the deadline for shipment be exceeded by one week .
A.In any case B.By all meansC.In no case D.Under all circumstances