roll-on

There is no need a roll of film.

没有必要的胶卷。

I want to buy a roll of film for my camera.

我想要替我的照相机买一卷底片。

I thought we put a new roll of film in the camera before we left.

我认为我们提出一个新的轧辊的电影，在镜头前，我们离开。

I have a roll of film.

我有一卷底片。

I've got a roll of colored film.

我有一卷彩色胶卷。

I have got a roll of colored film.

我有一卷彩色胶卷。

I want a roll of 36 exposures of color film.

我想买一卷36张的彩色底片。

The responses of roll motion were obtained for the ship in irregular longitudinal waves of 10m and 12m significant wave heights with respect to the initial roll angle of 3°and the bias heel angle of 5°which was assumed to be caused by the permanent wind pressure.

华建波对随浪和尾斜浪航行的耐波性进行了深入研究[1]，采用计算机仿真研究了在纵浪中滚装船的参数激励运动，此外，他还提出了在规则和不规则

Numerical simulation results demonstrate that active suspension with a proper control strategy can decrease the roll angle and roll angle acceleration of the truck cab, the active suspension can improve both the ride comfort and driving safety.

大量的仿真结果显示，主动控制悬置系统明显降低了驾驶室的俯仰角加速度和俯仰角，采用主动控制悬置系统可有效地改善卡车行驶平顺性和乘坐舒适性。

In the fast reversal, you use primarily aileron to roll with…in the high g reversal, you use a combination of aileron and rudder to roll with.

前一种反转主要利用副翼滚转，后一种则同时利用副翼和舵来完成反转。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。