Domestic sewing machines . test on the reliability of the stich length adjustment 家用缝纫机.针脚长度调整器的可靠性试验
2.
Stich transfer simultaneous transfer , front or back , independent of carriage direction . split stitch 翻针不受机头方向影响，可同时前翻后或后翻前。
3.
The main product we have is : all kinds of wrecking bar , big , file and rasp , garden tool , battery terminal , various bolsters , pound at the avger , pry the stich , jack , engraving knife , etc 本厂主要产品有：各种起钉器、凿、锉、园艺工具、电瓶夹、铲、冲击钻头、撬棍、千斤顶支架、雕刻刀等。
4.
In the system of material freight , the processes stich as loading ship . transportation , unloading ship , the technology of loading and unloading cargo is important and weak , so studying the technology of bulk cargo loading and unloading equipment has been a branch of the cargo convey technologies . however , during the continuous bulk cargo unloading process , taking cargo among taking cargo , vertical transportation and horizon transportation is a key technique 在散货水陆运输物流系统的装船、运输、卸船诸环节中，船舶接卸技术是一个重要而薄弱的环节，散货卸船技术与装备的研究已成为物料搬运技术领域中一项重要的研究分支。
