1·Producing the glass bit, the sucking disc of the glass, the glass cuts tools.
生产玻璃钻头，玻璃吸盘，玻璃切割工具。
2·Remark: Magnetometric sucking disc or working plateform is required for special work.
备注：特殊工作另配磁力吸盘或工作平台。
3·The utility model has the advantages that the structure is compact, the loss sowing phenomenon can be effectively avoided, and the seed sucking disc can be replaced very conveniently.
本实用新型具有结构紧凑，可有效防止漏播现象的发生，且可以很方便更换吸籽盘等特点。
4·The utility model discloses a tooth-brushing cup, wherein one side of the cup is provided with a sucking disc, and the cup is adsorbed on a wall only by utilizing the sucking disc when not in use.
本实用新型公开了一种刷牙杯，其杯体的一侧设置有吸盘，不用的时 候只需利用吸盘将刷牙杯吸附在墙上。
5·It theoretically analyzes the working principle and the designing parameters of the control switch. The possibility of this kind of sucking disc has been proved by an experiment given in this paper.
理论上分析了控制开关的工作原理及其设计多数，通过实验证明了此吸盘的可行性。