手提式风动或液压工具及本身装有电动或非电动动力装置的手提式工具。
Tools for working in the hand, pneumatic and hydraulic and with self-contained electric or non-electric motor.
比较了微波场中密闭式及开放式条件下，甲壳素非均相碱法脱乙酰反应的动力学情况。
The kinetics of heterogeneous deacetylation of chitin in alkaline solution under microwave irradiation in sealed and opening container were investigated in this paper.
在此基础上对自升式海洋平台这种海洋结构物的静力及动力特性进行了深入的探讨。
On the base of the results we make following discuss of static and dynamic characteristic of jack-up platform.
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