The success of the Shenzhou VI manned space flight shows that China has reached world-class levels in some key areas of science and technology.
神舟六号载人航天飞行圆满成功，标志着我国在一些重要科技领域达到世界先进水平。
In Section VI of the syllabus, we have indicated the readings for each session of the class.
教学大纲第六部份简要说明每堂课的阅读资料。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
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