______不锈钢具有良好的耐腐蚀性和高温强度,较好的抗氧化性,良好的压力加工和焊接性能。
A.铁素体型
B.马氏体型
C.奥氏体型
D.奥氏体—铁素体型
参考答案:C
.
They recognized each other ________ they met in the church even though they hadn’t kept in touch for many years.
A.since
B.the moment
C.while
D.now that
战争险的责任起讫为()
A.W/W
B.目的地卸离海轮后60天
C.门对门
D.运输工具上