此外赛勒斯·史密斯还打算将来装置一种水力机械，那时候，就可以完全不用“花岗石宫”里的居民浪费时间和气力了。
Besides, Cyrus Harding hoped later to establish an hydraulic apparatus, which would avoid all fatigue and loss of time, for the inhabitants of Granite House.
低能耗吸粮机将气力输送技术与机械连续输送技术有机结合为一体。
The low energy pneumatic grant combines the pneumatic conveyance with continuous mechanical conveyance organically.
精密排种器以其工作原理可分为机械式和气力式。
According to its working principle, precision metering device can be divided into the pneumatic and the mechanical.
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