产品简介：主材料：锌合金表面处理：镀沙铬、亮铬功能及用途：开关柜、配置各种锁栓。
Main Material: Zinc Alloy Exterior color: plating sand chrome, bright chrome Function and use: switch cabin...
这种锁舌用螺丝装在锁支架上，而锁支架用螺丝固定或焊接在门上，无锁芯的装配时，可用锥形四方匙开启锁栓为自由行程。
Slam latch is screwed onto latch support which is either screwed or welded to the door. Assembled without insert it can be opened with a tapered square key. Bolt has free stroke.
本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。
A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.
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