paper cartridge

基本解释

Paper cartridge filters commonly used in diesel-electric locomotives are used to filter the diesel stocked in the fuel tank.
柴油电动机车中广泛使用的纸筒筛检程式，可用于过滤燃料箱中储存的燃料。
Ok now finally while its all still wet, get your cartridge paper and cut out a strip then glue over the top (Yes make sure the grain is going the correct way).
现在，乘着胶水未干，拿出一张纸，剪下一条糊在书脊上（记得纹理的方向不要弄错哦）。
Other than putting in new paper and changing the ink cartridge (only once, I think), it’s a maintenance-free dinosaur that we have no intention of tossing out anytime soon.
除了装纸和换墨盒(我想只有一次)，这是一条不需维护的恐龙，我们不打算丢掉它。