It is very hard to obtain the solution of acid hydrolysis FRP tank cover as stiffened composite plate and shell by analytical method.

酸解罐玻璃钢盖子作为加筋复合材料板壳，应用解析方法很难求解。

youdao

The present invention belongs to the field of automobile painting technology, and is auxiliary tool for painting oil tank cover in car.

本发明属于汽车涂装领域，具体涉及一种轿车涂装的油箱盖辅 具。

youdao

The present invention makes it possible for painting oil tank cover together with the car body, reaching lowered painting cost and high painting quality.

本发明轻巧简单，实用性高，成本低且可以使油箱盖的涂装达到极好的效果。

youdao

AU peacekeepers and government troops fought back with tank fire and mortars, sending residents diving for cover in their homes and in the streets.

VOA: standard.2009.08.21