还记得我曾让你们找出约翰·雷序言中的，死在产床上的多莉是谁。
Remember I asked you from the preface, John Ray's preface, to figure out who Dolly Schiller is, who dies in childbed.
而这张产床？30年。
一个好的干湿饲喂产床有优势。
早产儿一直被视为有控制和监护的产床分娩的一个原因。
Prematurity has always been considered a reason for a controlled and monitored bed birth.
因而，许多产妇死于产床上，许多新生儿在生下数周就从未幸存下来。
Thus, many women died in childbed, and many infants never survived the first few weeks of their lives.
本发明公开了一种全自动生产床芯的方法，第一步，钢丝卷绕成弹簧，且等间距输出；
The invention discloses a method for fully automatically producing a bed core, which comprises: step 1, coiling steel wires into springs, and outputting the springs at equal intervals;
本发明公开了一种全自动生产床芯的方法，第一步，钢丝卷绕成弹簧，且等间距输出；
The invention discloses a method for fully automatically producing a bed core, which comprises: step 1, coiling steel wires into springs, and outputting the springs at equal intervals;
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