Test results show lower exit average total pressure recovery, larger circumferential total pressure distortion and stronger and more irregular secondary flow.
试验表明其出口平均总压恢复系数较低，周向总压畸变指数较大，旋流较强且很不规则。
The outlet (21) can be widened in a variable manner by lateral pressure on circumferential points (12) in the region of the longitudinal axis of the oval face (20).
通过在卵形表面(20)的纵向轴线的区域的圆周点(12)上施加侧向压力，出口(21)可被打开到可变宽度。
The quality of the circumferential welding in pressure vessels must be paid full attention. This is the key point to guarantee the safety of the pressure vessels in operation.
希压力容器有关工程技术人员要充分重视压力容器环焊缝的质量问题，以确保压力容器的安全使用。
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