传统垂直式dmosfet高导通电阻的缺点在LDMOSFET中依旧存在，而垂直式igbt关闭延迟和闩锁的现象，也在LIGBT中发生。
Problems with high on-resistance that are seen in traditional vertical structure DMOSFET still appear in LDMOSFET and phenomena of turn-off delay and latch-up are seen in LIGBT as well.
一种自锁式铰链装置包含一铰链本体、一第一安装平板、一第二安装平板及一闩锁机构。
The self-locking hinge unit is one hinge body, one first installation plate, one second installation plate and one latching mechanism.
外露的闭门器：BHMAA156.4，齿条和小齿轮和液压式可调闩锁速度，由钥匙阀和锻造钢铁主臂控制。
A. Surface Closers: BHMA A156.4; rack-and-pinion hydraulic type with adjustable sweep and latch speeds controlled by key-operated valves and forged-steel main arm.
外露的闭门器：BHMAA156.4，齿条和小齿轮和液压式可调闩锁速度，由钥匙阀和锻造钢铁主臂控制。
A. Surface Closers: BHMA A156.4; rack-and-pinion hydraulic type with adjustable sweep and latch speeds controlled by key-operated valves and forged-steel main arm.
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