It is often a chain stitch machine and the size of the buttonhole can be altered to suit with requirements.

它是一台链式线迹缝纫机，纽洞的大小可以根据需要调节。

youdao

The first design "inboard type synchronizer" for covering stitch machine which could complete solve the problems of synchronizer swing, difficult to setting, locating and adjustment…etc.

首创三针绷缝机内藏定位器，其专利的设计彻底解决定位器摇晃、不易安装、定位不稳、校正不易等缺点。

youdao

The first design "inboard type synchronizer" for covering stitch machine which could complete solve the problems of synchronizer to swing, difficult to setting, locating and adjustment... etc.

内藏式定位器：首创三针绷缝机内藏定位器，其专利的设计彻底解决定位器摇晃、不易安装、定位不稳、校正不易等缺点。

youdao

When Wessely started the business with one stitch-bonding machine in the shell of an old toweling factory in 1999, he found pretty good demand for "multiaxial reinforcements"--they're strong, stiff lightweight cloths used in boat hulls and construction materials.

FORBES: New Britannia