The deadbolt when fully thrown in the locking direction and detained, shall have a minimum projection to the forend.

当门栓完全朝锁定方向抛出并被扣住时，门栓对法线的投影最小。

youdao

I walked to the door, pushed in the lock, threw the deadbolt closed and peeked out the peephole.

我走到门后，推上门锁，插紧门栓，又眯着眼睛从窥孔向外看。

youdao

When measured in accordance with 6.7.6, the deadbolt when fully thrown in the locking direction and detained, shall have a minimum projection to the forend of L1 (see Figure 1 and Table 4).

根据6.7.6项进行检测时，当锁点方向的安全栓全部弹出并且完全被锁住时，将得到L1前护木的最小投影。

youdao

The deadbolt is battery-powered using four AA cells that last more than a year with normal operation.

ENGADGET

At least from what we've seen in the prototype, it really is just a keypad resting on top of the existing deadbolt.

ENGADGET: March 16, 2013 4:15 PM EDT

He recommends people get a solid or metal door for the front door and a solid-core door with a deadbolt for the master bedroom.

FORBES: Magazine Article