YYY6080韩国三级理论,一边添奶一边添p好爽视频,富婆推油偷高潮叫嗷嗷叫,猫咪maomiav永久海外域名

This drawing machine mainly consists of the feeding section, drawing section, slivering section and other auxiliary devices. The guide rollers and press rollers draw the slivers in the given direction from the inlet to slivering platform. The drawing section is divided into drawing device and cleaning device. The drawing device presses the sliver while the cleaning device cleans the dust on the rollers to avoid the impurities drop on the slivers. The slivering section bundles and presses the slivers to stabilize the straightness of the fiber.