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问题:

[单选] A rigid replica of the International Code flag “A” may be shown by a vessel ().

A . pulling a submarine cable
B . engaged in diving operations
C . engaged in underway replenishment
D . transferring explosive

The scavenging air ports are located at () that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position. so a height。 such a height。 so high。 such high。 税收政策对企业财务有哪些影响? 冻鱼在冻藏过程中不会发生()变化。 冰晶缩小。 干耗。 变色。 油脂酸败。 严禁滥用过渡性科目;严禁随意()账务。 冲正。 调整。 撤销。 修改。 The rising of the exhaust temperature in manifold pipe may NOT result from (). too great a loading。 fouled turbocharger。 bad combustion。 excessive air。 A rigid replica of the International Code flag “A” may be shown by a vessel ().
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