Shoulder stock is made from thin steel tubing and folds forward and to the right.

肩的股票，从细钢管作出向前折叠的权利。

The airframe is built of steel tubing, with aluminum wings, for a basic empty weight of 628 pounds.

该型飞机采用了钢管机身框架，铝制机翼，基本型空重628磅。

The support structure to hold the sign up was custom fabricated from steel tubing and painted to match the dark trim of the building.

支撑整个标识的支架是标准配置的钢管，上过油漆，这样能让建筑上的黑色看起来协调一点。

Grease fittings shall be gathered at the same place as much as possible by means of stainless steel tubing for convenient lubrication .

为了方便润滑，应用不锈钢管尽可能把黄油嘴聚拢在同一个地方。

The mobile pipeline is an assembled steel tubing used for supplying oil. It is very important to select appropriate anticorrosive coatings.

机动管线是用于实施油料补给的装配式钢质管线，正确选择防护涂层具有重要意义。