粗轧机组后飞剪型式是（）
A.曲柄式
B.回转式
C.曲柄一回转组合式
参考答案：A
熔化性温度指标
By definition，a "spar deck" is the（）.
A.lower most continuous deck not broken by water tight bulkheads
B.after most weather deck above the main strength deck
C.upper or weather deck above the main strength deck
D.deck of light construction below the main or strength deck
