In an engine with a pot-shaped piston, some lubricating oil

【名词&注释】

高血压(hypertension)、低血压(hypotension)、软组织(soft tissue)

[单选题]In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the

A. crosshead
B. crankpin
C. crank journal
D. gudgeon pin

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举一反三：

[单选题]骨折的并发症，哪项应优先处理？

A. 神经损伤
B. 合并感染
C. 软组织血肿
D. 休克

[单选题]某人测得血压为158/90mmHg，请问他的血压属于下列哪种情况？

A. 血压正常
B. 高血压
C. 低血压
D. 临界高血压

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