That it is prepared to move forward in developing the Space launch System, a new heavy-lift launch vehicle envisioned as mankind's latest ticket to the cosmos.
这是准备向前迈进的太空发射系统动，一个新型的重型运载火箭，它可以设想为人类航行宇宙的最新太空船。
This paper introduced a heavy load and super-length journey, high stability required lift telescopic cylinder and the principle of its pneumatic (gas drive) control system.
本文给出了负载较大、行程超长、稳定性要求高的举升式伸缩气缸及其气动控制系统的原理及部分关键部位的优化设计方案。
This paper introduced a heavy load and super-length journey, high stability required lift telescopic cylinder and the principle of its pneumatic (gas drive) control system.
本文给出了负载较大、行程超长、稳定性要求高的举升式伸缩气缸及其气动控制系统的原理及部分关键部位的优化设计方案。
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