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井盖；升降口盖；圆盘状平的东西
1、the cover───盖上盖子
2、awning cover───雨篷罩
3、protection cover───[电]保护罩
4、manhole covers───井盖
5、manhole───n.人孔；检修孔
6、ground cover───n.地被植物; 地被物
7、cover───vt.包括；采访，报导；涉及；行走（一段路程）；掩护；翻唱；给……投保；vi.覆盖；代替；敷衍；n. (Cover)（英）科弗；（意）科韦尔（人名）；n.封面，封皮；盖子；掩蔽物；幌子，借口
8、column cover───纵队掩护
9、probe cover───探头盖
1、As Rubens' car drove over the manhole cover, the cover was spun up and hit the rear left wheel, causing failure.───当鲁宾斯的车驶过井盖时，井盖向上旋起碰到左后轮，造成碰撞事故。
2、Another lovely manhole cover at shinsaibashi in Osaka, Japan.───于心斋桥的另一个可爱的井盖，在大阪，日本。
3、A manhole cover hoisting tool with pulley structure is designed, including base parts, support parts and pulling parts.───设计了一种滑轮式井盖提升工具，包括底座部分、支撑部分和提升部分等。
4、Resin composite manhole cover is made of polymer composite materials, no recovery value.───树脂复合井盖是由高分子复合材料制成，没有任何回收价值。
5、But need to note is a hardness up, its toughness is to catch up, this can be a good iron manhole cover.───但需要注意一点就是硬度跟上了，其韧性也要跟上，这样才能算是好的铸铁井盖。
6、There's a thin, lightning bolt-shaped crack next to a rusting manhole cover and I adjust my gait to get my right foot to step on it.───紧挨着一个生锈的井盖有一条细细的闪电装的裂缝，我调整了一下步伐，好让右脚踩上去。
7、Cast iron manhole cover anti impact resistance, easy rupture.───铸铁检查井盖不耐冲击，易破裂。
8、Tanks for transport of dangerous goods - Service equipment for tanks - Manhole cover assembly.───危险物品运输用槽罐车.槽罐车的辅助设备.人孔封盖组件
9、The utility model relates to the improvement on a manhole cover with an iron skeleton concrete structure.───本实用新型是对铁骨架混凝土结构下水道井盖的改进。