The layout of upper head with lowering working gate of Three Gorges ship lift is studied.

对三峡升船机上闸首下沉式工作闸门布置进行研究。

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The defects of forging technology of upper head of 1200mm urea synthesis tower were analysized, and it was thought that the inter defect was loosen.

分析了尿素塔上封头体锻造工艺存在的缺陷，认为疏松是造成缺陷的原因。

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It is crucial that the upper back and neck are held in an erect position to give support for the head.

重要的是：上背和颈部要挺直以支撑头部，这一点很重要。

《柯林斯英汉双解大词典》

"After this, punches were thrown and Mr McGovern was struck several times in the head and upper body, " police said.

BBC: Jason McGovern's death: Police launch murder inquiry

To immobilise the patient, the mask is placed over the head and upper torso and then screwed to the treatment table.

BBC: Radiotherapy mask

From the upper chest up to the head there was a blue tinge to it which would suggest asphyxiation.

BBC: [an error occurred while processing this directive]