Screw down mirror on door frame.
将后视镜拧紧到车门框架上。
Screw down any loose floorboards.
用螺钉固定住所有松动的地板。
Straight-through, right angle cast steel screw down vertical storm valve.
直通、直角铸钢可闭立式防浪阀；
After is has been confirmed to meet the requirements, screw down the bolts.
经检查符合要求后将螺栓拧紧。
This paper introduces the screw down system of this automatic control system.
本文介绍了此机组八辊轧机的压下控制系统。
I took out just one screw and the whole thing came down.
我只拿掉一个螺丝钉，整个东西就坍下来了。
Move the feed DOG up or down to perform adjustment, then securely tighten the screw.
上下移动送布牙调节高度，然后拧紧紧固螺丝。
Place a standard nut on the screw and tighten it down securely.
放置一个标准的螺丝和螺母拧紧了安全。
Place a standard nut on the screw and tighten it down securely.
放置一个标准的螺丝和螺母拧紧了安全。
应用推荐