The utility model relates to the head of a twisting machine, in particular to a twisting machine head with single innerspring.
本实用新型涉及拧丝机的机头，具体为内装单簧拧丝机头。
2
The nail type signet has buffering function by making use of the innerspring of a signet handle and the shim of a signet neck to adapt the stamped objects of different states.
利用戳柄内弹簧和戳颈垫片，使之在操作时具有缓冲功能，以适应不同状态的被盖物。
3
This article is evaluation of the inner environmental condition on a closed house for weaners on the base of the data of the observations in winter, spring and summer.