但胆道疾病的疼痛多在高脂饮食后发生，疼痛常自胃脘部放射至右季肋及右肩，部分患者伴有黄疸及发热。
The pain can radiate around the costal margin into the back or can spread to the region of the scapula. Jaundice and fever often occurs in some cases.
在弯道处布置放射状的肋片，能够非常好地增强换热。
Also, the ribs in the corners can significantly enhance the heat transfer.
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