transmission medium造句

1、Optic fiber is now the preferred transmission medium for long-haul trunks.
光纤已是长途干线的首选传输媒质。

2、As the transmission medium contains easy winding or bunching of the fiber material.
由于被输送的介质中含有易缠绕或聚束的纤维物。

3、When hope in a wide temperature range of use, transmission medium viscosity index should be higher.
当希望在某一较宽的温度范围内使用时，输送介质的粘度指数应该高些。