glass tube protector的用法和樣例：
例句
- Every fiber-optic cable used for networking consists of two glass fibers encased in separate sheaths.
使用來(lái)連網(wǎng)的每個(gè)光纖電纜是由包裝在分開(kāi)的保護套內的二條玻璃纖維組成。 - Soil volumetric water content was measured by employing the metallic tube of the tensiometer as an antenna, whose radiating impedance varied as soil water content.
將張力計中的一段金屬保護套管作為天線(xiàn)，利用其輻射阻抗隨著(zhù)土壤含水率變化的規律來(lái)測量土壤容積含水率。
