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1·Screw down mirror on door frame.

将后视镜拧紧到车门框架上。

2·Screw down any loose floorboards.

用螺钉固定住所有松动的地板。

3·Adjust it and screw down all the screws.

给予调整。拧紧所有螺钉。

4·B. Install the door closer and screw down all the screws.

安装闭门器主体并拧紧螺丝。

5·Straight-through, right angle cast steel screw down vertical storm valve.

直通、直角铸钢可闭立式防浪阀；

6·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。

7·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。

8·The product has tendency to clot after moisturizing, screw down the lid after using.

本品受潮后易产生凝固，请使用后盖紧瓶盖。

9·This paper introduces a electrical and hydraulic control system in screw down device of plate mill.

介绍了应用在中厚板轧机压下装置上的电气及液压自动化控制系统。

10·Avoid exposing to heat and moisture, screw down the aluminium lid, use immediately after opening up.

本品避免受热受潮，请拧紧铝盖，打开后及时使用。

拧紧

1·Screw down mirror on door frame.

将后视镜拧紧到车门框架上。

2·Avoid exposing to heat and moisture, screw down the aluminium lid, use immediately after opening up.

本品避免受热受潮，请拧紧铝盖，打开后及时使用。

3·Sleeve the invention on the tail-gas tube of the engine, underlay the seal loop in the fixing collar at the two ends and screw down it.

安装时，将本发明套在汽车发动机尾气管上，在两端的 固定套圈里垫上密封圈，外面用卡环拧紧便可。