选煤厂总平面设计时对浮选药剂库与油脂库的布置有哪些要求？
四冲程柴油机换气过程第I阶段自由排气阶段中的气缸废气主要在缸内外压差的作用排出。
A. 正确
B. 错误
X线表现为肺血少，左右肺门不对称，左大于右，肺动脉段直立突起。最可能的诊断是（）
A. 肺源性心脏病
B. 高血压性心脏病
D. 肺动脉狭窄
F. 主动脉狭窄
G. 动脉导管未闭
RYC8/TKS PLSPROCEED PEAKIS MEET/PLT SHIFT W/ANCH FOR/QTINE THEN/TO E/ANCH FOR/SUPPLY. This telex indicates that（）.
A. the vessel will anchor at eastern anchorage and take supply at the western anchorage
B. the vessel will anchor at western anchorage and take supply at the eastern anchorage
C. the vessel will anchor at eastern anchorage and take supply there
D. the vessel will anchor at western anchorage and take supply there
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