So the machine has many controlling assemblies such as needle selecting, triangle changing, density adjusting, needle bed moving, thread-carrier changing etc.
因而机器有多类控制装置,如选针、三角变换、密度调节、针床横移、导纱器变换装置等。
2
The plunger in the fully depressed position releases the needlecarrier from the end of the barrel and the vacuum pulls the needlecarrier and needle into the hollow plunger.