軋鋼成品工軋鋼成品工(初級(jí))單項(xiàng)選擇題每日一練(2019.01.19)

A.間隙時(shí)間
B.軋制節(jié)奏
C.軋制周期

A.10
B.15
C.18
D.22

A.長(zhǎng)19m，寬84m
B.長(zhǎng)19.5m，寬86m
C.長(zhǎng)19.5m，寬84m

A.2
B.3
C.4

A.低碳鋼
B.中碳鋼
C.高碳鋼
D.高錳鋼