题目内容

刺刀管式废热锅炉的优、缺点是什么?

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急性心肌梗死最常见的并发症是()。

A. 心室壁瘤
B. 心肌梗死后综合征
C. 栓塞
D. 乳头肌功能不全
E. 心脏破裂

草坪草都是草本植物。

A. 正确
B. 错误

向非接车线接车时,应采用()的方式引导接车。

A charterer is unable to complete the loading of a vessel during the lay days specified in the charter party. Under these circumstances,the().

A. vessel operator can collect demurrage
B. ship is authorized extra time to discharge the cargo
C. charterer must pay dispatch money
D. effective period of the charter is extended

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