When the probe is taken down, turn the lock switch of probe to OPEN, pull out the probe on the level state.
拆卸探头时，先将探头锁紧开关打到开的状态，水平拔出探头即可。
The state of lock manufacturing industry is introduced. By SWOT analysis, considers that franchise is an appropriate way. Analysis is carried out on the feasibility of franchise.
介绍了我国制锁业的现状，对锁具行业目前的状况进行了SWOT分析，认为特许经营是合适的方式，并对此方式的可行性进行了分析。
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