main transmission

基本解释

Medical planners believe schools are one of the main transmission points.
医疗规划者认为学校是疾病大规模传播的易发地。
The decline could still be a temporary consequence of warm weather or half-term: pupils have been one of the main transmission routes.
这种下降可能还会是天气温暖和学生期中假的暂时结果——学生是主要的传染途径之一。
The main transmission and transfer can adjust their lubrication oil highness respectively and improve the transmission efficiency.
主变速器、分动器独立润滑，能合理调整各自润滑油面，有效提高传动效率。

Hundreds of thousands of switches and circuit breakers must be operated manually, and the main transmission lines have little instrumentation to monitor the second-by-second flow of electricity from unpredictable new sources like windmills.
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