螺口

日本血吸虫中间宿主-钉螺的螺口动力学研究

Research on Intermediate Host of Schistosoma Japonicum-Oncomelania Hupensis Population Dynamic

中螺口茄形指示灯泡（弹簧的）环端螺栓，弹簧眼螺丝

Medium egg-plant screw indicating lamp bulb spring eye bolt

GB1444-1987防爆灯具专用螺口式灯座

Edison screw lampholders specially used for explosion-proof luminaires

河沟钉螺检出情况与螺口关系的研究

Studies on the correlation between Oncomelania Snail population and the quantity of the snail detected

小螺口茄形指示灯泡

Small egg-plant screw indicating lamp

无灯泡灯丝，E27标准通用型螺口，安装更换便捷。

It has no light bulb and filament.E27 socket for general use is easy to install and replace .

本实用新型将含有螺口或插口及电源变压器的灯头部分与发光体灯泡设计为两个独立组件、可装接、可脱卸。

As for the utility model , the lamp head containing the screw-socket or the socket and the supply transformer and the lighting bulb are two separate parts , connectable and dismountable .

内胆、保温层、外胆、卡口构成保温桶体，与保温盖之间通过螺口旋转密封固定。

The inner bile , the insulation layer , the external bile and the clamping opening forms the insulation bucket , and the insulation cover is fixedly and rotarily sealing by a screw opening .

监测指标理论研究：阐明残存螺点螺口消长3年形成不同螺口的螺点全频率分布；

Studies on theory of monitoring standard expound : the distribution of whole frequency in different snail sites which were formed from remnant snails through three years growing and death ;