【机械工程】便捷启动方式【生活】方便启动工具

by some means or other

means

garage with rotary rings as means for transport

watch or clock acoustic means

making countersinks, counterbores by means of electrochemical metal working

superfinish working by means of superfinish working

profile sheathing of profiles with metal by means of extruding

quick-acting coupling, locking by means of locking balls