每个成圈系统中的导纱器系统均含氨纶喂入装置，其特殊的挡板保证氨纶纱的喂入操作方便，稳定可靠。

All the feeder systeem in the each stitching systeem with anethane elastic fiber feeder systeem. Its special presser can ensure the anethane elastic fiber feed stably and convenient.

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由于光的衍射作用，使通过聚焦系统的激光束入射到特定靶面成一光斑（主光斑） ，而在主光斑以外还有次级光斑圈（旁瓣）。

The laser beam passing through the focusing systems gets an facula, which consists of main spot and sidelobe on the focus plane.

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它将封隔器与伸缩管设计成一体，采用V形膨胀石墨密封圈组成密封系统，确保伸缩管热力伸长时封隔器的密封性。

The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.

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