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不灵便的腿脚一动，正好才在裙摆上，顿时大哥趔趄，倒了下去。郑长河和郑老太太听了乐得合不拢嘴。迷蒙中，她不知不觉用手揪住板栗胸前衣襟，将脸整个埋进他怀里，这才睡得沉了。Time relays are divided into two types: on-time delay type and off-time delay type, and their symbols are shown in the following figure. For the power-on delay type time relay, when the coil is powered on, the power-on delay type contact acts after the delay time (the normally closed contact is opened and the normally open contact is closed), and the contact immediately returns to normal after the coil is powered off; For the power-off delay type time relay, when the coil is powered on, the power-off delay type contact acts immediately (the normally closed contact is opened and the normally open contact is closed). After the coil is powered off, the contact will not return to normal until the delay time is passed.小葱叹了口气，郑氏和张槐都紧绷着脸，张杨蹙眉苦思。What pattern do you think Hiroshi and Naruto are showing