Objective To establish neonatal cord blood TSH cut off point for fiting China actual condition as soon as possible.

目的尽快建立适合我国实际情况的新生儿脐带血促甲状腺激素（TSH）切点值。

These belts are made by fiting chains to both sides of ordinary Wire conveyor belt. Belt and chain are synchronized through Stays(cross supports).

是在通常网带的两边加装链条的型式，网带和链条通过加装圆棒所达到同步运转。