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- hook bolt lock 钩头螺栓锁
- The unique patented design such as the Bolt Lock System and functional ambidextrous safety, and magazine catch, upgrade the maneuverability. 而延续前做特殊专利设计的枪机后定功能，及双边连动保险、双边连动弹匣卡榫等机构也大幅提升整把枪的操控性。
- Security, easy operating, reliability sealed door with radiate bolt lock system, There have two specification of sealed door, the single-layered and double-layered, the latter could separated the polluted from cleaned area. 安全、可靠、操作简单省力的辐射状门栓锁紧结构的密封门,门上装有机械安全连锁装置,防止了操作人员在设备运行时打开密封门。有单门和双门两种规格。
- Repair the Damaged Hook Bolt of Bolwer Fan 修复风机地脚螺栓损坏的方法
- Turnuckles with eye bolt and hook bolt 花蓝螺栓
- Gas piston rod and receiver. Note the recess on the bottom of the receiver, it is for the bolt locking. 导杆及枪匣，注意枪匣内下方的凹槽，供枪机闭锁用。
- The carriages of the toy train lock onto the toy train with a special hook. 玩具火车的客车车厢用专门的挂钩挂上了机车。
- A bolt having a looped head designed to receive a hook or rope. 有眼螺栓带有圆圈头的螺栓，用来接钩子或绳子
- The teacher let him off the hook with a warning this time. 这一次老师放过他，只给了一个警告。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- Lock the carriages on to the engine with this hook. 用这个挂钩把客车车厢挂在机车上。
- This lock can only be opened from the inside. 这把锁只能从里面打开。
- The boxer let his opponent off the hook many times. 那拳击手失掉了许多次击败对手的机会。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- See if you can hook it with this pole. 看看能不能用这根杆子把它捞起来。
- He locked the door and pressed the bolt home. 他锁上房门，并插好插销。
- Lock the carriages on with this hook. 用这个挂钩把客车车厢挂上（机车）。
- We must put a new lock on the front door. 我们得在前门上安一把新锁。
- Someone has been tampering with the lock. 有人乱动过这把锁。
- These two pieces of the chain hook together. 这两个链环套在一起。
