Actually, the mask and openings are not really necessary; the mirror alone could serve as aperture.

其实, 挡光板及其上的开孔都是不必要的; 单单反射镜本身就可以起小孔的作用.

辞典例句

All the men joined in punching it out, then squirmed through.

所有人都动起手来, 终于把墙凿开了,大家都从开孔中蠕动着钻出去了.

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The present work also suggests a new shape of perfobond connector.

论文还提出一种新型的开孔板连接件.

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PC lighting shield is a once - molded product by hot processing of metal.

PC采光 罩是以PC耐力板热加工一次成型的产品,用于各种建筑物开孔式采光.防水效果极好.

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All the boxes are not allowed to open holes by electrogas welding.

各种箱盒严禁电气焊开孔.

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Coarse mesh fabric has high porosity with efficient water filtration.

粗网目基布之开孔率高,具有高透水特性.

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Optimum position of sprinkling aperture and formula of rotating speed are derived.

推导出了最佳开孔位置和转速的计算式.

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Sealed boxes can also be processed in separate surface - opening.

密封箱也可以在光面上单独加工开孔.

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They tapped the sugar maples and the sap began to flow.

他们在糖枫树上开孔,树汁便流出了.

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We expanded our production to manufacture chisels, core bits and so on.

我们现在生产一系列的钻头 、 凿子、开孔器.

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The bottom of the main shaft is provided with a hole - opening knife.

主轴的底端,设置有一开孔刀.

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Any unused tapping should be covered by movable liner plate.

任何不使用的开孔应用可移动衬垫板覆盖.

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Check the hole pickles.

检查开孔毛刺.

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Penetration attributes to piping and perforation.

开孔的主要机理是管涌和穿透.

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Drill with international advanced to guarantee dimension.

采用世界先进设备开孔,尺寸保证.

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