钢水脱硫、磷与硅时,通过加入()并使铁水与熔剂均匀混合反应来完成。
A、预处理剂
B、矿石
C、水泥
D、沙子
参考答案:A
某轮船长Lbp≤150m时,根据IMO及我国的要求,船舶空载时其最 * * 均吃水dM应满足以下()要求。
A.dM≥0.012Lbp
B.dM≥0.02Lbp
C.dM≥0.02Lbp+2
D.dM≥0.012Lbp+2
Questions 22 to 25 are based on the conversation you have just heard.
A.2000000.
B.3500.
C.110000.
D.361.