and a rear cover is arranged on one sides of each mirror base and each bottom plate close to the front windshield.
该镜座和底板靠近前挡风玻璃一侧设有后盖；The structural form of the bottom slabs has a significant effect on the stability of a plunge pool.
消力塘底板的构造型式对其稳定性有显著影响。In a preferred version the cover is adapted to be raised and lowered over the bottom panel.
在一优选形式中，盖子适于在底板上方抬升和下降。Due to it's lighter weight, the boat can achieve a higher speed much easier then with a plywood floor.
充气底板另一个优点是重量轻。正因为如此，充气底板比木底板更容易达到更高的速度。Nowadays the light collected by the lens or mirror of a telescope is directed to a photographic plate rather than to the astronomer's eye.
被望远镜的透镜或反射镜所收集的光线，如今直接射到照相底板上，而不是天文学家的眼睛里。He also had a cut on his head from falling in the van and a third-degree burn to his stomach from lying on the vehicle's hot metal floor.
从座位上摔下的时候，他的头被摔出一道口子，而肚子也因为躺在车子的金属底板上被三级烫伤。The base plate and the horizontal plane form a certain angle, and the front end of the base plate is higher than the rear end thereof.
所述底板与水平面成一定的角度，且其前端高于其后端。Analysis from the variable law of displacement, the settlement difference of the four foundations is all in reasonable range.
从基础底板位移变化规律看，四种基础的沉降差都在允许的沉降范围内。Cracks are easy to form and distribute regularly on the floor of castle ship lock during the construction or completion period.
在施工期或施工完建期坞式船闸底板容易开裂且裂缝分布具有一定的规律。