the pushing device comprises a belt body and a pushing bag. the pushing bag is provided on the belt body which is equipped with a connector for connecting the ends.
它包括带体和按压袋,所述按压袋设在带体上,带体设有使其端部能连接的连接件。
the invention provides a forked wedge-shaped plate seed pushing device for a tube air-suction seeding machine. a wedge-shaped plate has a notch.
本发明提出了一种用于圆管气吸排种器的分叉楔形板刮种装置。
the optimization parameter and object of this tile pushing device in different situation is gained based on the analysis of the test result.
通过对试验结果的分析,得到在不同状态下磨边机推砖机构的最优参数以及它们的优化目标。
the pull rod (19) of the straw pushing device drives the straw pushing device (18) to move forwards and backwards. the lifting foot drives the straw pushing device to move up and down.
可调推草器拉桿带动推草器(18)作前进、后退动作,起落脚带动推草器作上、下动作。
the utility model relates to a medical device, and particularly to a pushing device which can push the puncture point after needle withdrawal in intravenous injection.
本实用新型涉及一种医疗器具,具体地说是涉及一种静脉注射拔针后能按压穿刺点的按压器具。
the seed pushing device has the advantages of avoiding damages to seeds due to no shearing effect generated in a seed pushing process and reducing the possibility of blockage of the seed suction hole.
本发明的有益效果:刮种过程中没有剪切作用,消除了伤种问题,降低了吸种孔堵塞的可能性。
the paper introduces role and design method of improved test pushing device , and discusses its technical and economic benefits .