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补位防守
1、back cover───后壳，后罩；封底；表后背
2、column cover───纵队掩护
3、back cover open───后盖打开
4、protection cover───[电]保护罩
5、probe cover───探头盖
6、the cover───盖上盖子
7、back back───后退
8、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
9、ground cover───n.地被植物; 地被物
1、Clip cover back onto the fuse box.───盖卡回保险丝盒。
2、he removed the top of the carton; put the cover back on the kettle.───他拿开了箱子的盖儿；他把壶盖放了回去。
3、Remove the bolts and cover, realign the diaphragm assembly, and place the cover back on the relief valve body.───拆卸螺栓和阀盖，重新校准隔膜总成，并将阀盖放回到安全阀阀体上。
4、The man shoves the iron cover back over the hole and takes the woman's hand, and together they run grinning down the street.───那男人将井盖盖好，然后拉起女人的手。随后两人笑着沿着大街跑了。
5、Thread-bound book cover, back cover is made of two or three of these special paper with history.───线装书的封面、封底是由两张或三张连史纸裱制而成。
6、I give the top half of the cover back to the comic-book distributor for credit when he brings in the new comics. He's coming in an hour.───当书商送新书的时候，我会把封面的上半部交给他，作为没有卖掉的证明，他一小时后就到。
7、Presigmoid with a fabric cover, back cover, and his spine together made of case-making, called the whole case-making material.───用一整块面料，将封面、封底和背脊连在一起制成的书壳，叫做整料书壳。
8、the end he ate the chicken and put the cover back on the dish.───结果他把鸡给吃了，把盖又放回盘子上。
9、The front cover, back cover the same material, and his spine with another piece of fabric made of type type, called the blending.───封面、封底用同一面料，而背脊用另一块面料制成的书壳，叫做配料书壳。
1、He washed up and tidied up, and put the baize cover back on the table.
2、And made typography, cover, back cover , the spine giant matched to each other, the overall response.
3、I leaned over and kissed the perfect skin covering such bone, such muscle, and pulled the cover back up.