詞語：belt-sheath
belt-sheath的參考例句
1.Spinning principle and equipment of core-wrapped belt yarn were introduced. Property requirement to the sheath, core yarn in the core-wrapped belt yarn was pointed out. 介紹了包芯帶子線的紡制設備與紡制原理，指出了包芯帶子線對芯紗、皮紗性能的要求，敘述了導紗鉤及針的位置、退繞張力和捲繞張力對紡制過程的影響。