开顶式 meaning in Chinese

open top

Light gauge metal containers - definitions and determination of dimensions and capacities - open - top cans
轻型金属容器.定义和尺寸容量测定.开顶式二重卷边罐
Light gauge metal containers - definitions and determination of dimensions and capacities - light gauge metal containers - definitions and determination of dimensions and capacities - aerosol cans
轻型金属容器.定义和尺寸容量的测定.开顶式二重卷边罐
The most studies were focused on the influence of soz on photosynthetic organ e . g . chloroplast in vitro and fumigating with high concentrations of soz . thus , those experiments could not reflect the real state of plant suffering from soz pollution in nature condition and it was very difficult to find out the mechanism of soz affecting photosynthesis
我们采用与自然条件相近的野外开顶式熏气装置，用0 . 8571mg m ~ 3的低浓度so2长期处理油桐苗木，用近期发展起来的对植物无伤害作用的荧光测定技术和叶红外820nm吸收测定技术，对长期低浓度so2对光合能量转换效率及其机理进行了研究。