分馏塔为()会使进料口以下几块塔板的液体负荷增加,分馏效果降低。
A.泡点温度进料
B.低于泡点温度进料
C.高于泡点温度进料
D.露点温度进料
参考答案:B
Which sport has the most expense training equipment,players’ personal equipment and uniform?[ ]
A.in terms of
B.in relation to
C.by way of
D.in case of
称量滤膜时,用()取下滤膜两面的夹衬纸。
A.镊子
B.左手
C.右手
D.双手