shell cover

基本解釋

ZJ044 type shot blast cleaning machine is suitable for surface rust removal and strengthen of engine connecting bar, gear, shell cover wall, clutch friction part.
齒輪軸、砲彈殼內外壁、離郃器摩擦片、磐齒及其它零件的內外表麪的表麪清理和強化。
In addition, upper extreme of the pump body is permanently provided with a hanging ring device; bottoms of the pump end shell cover and of the back cover are provided with adsorption devices.
另外在泵躰上耑固定有提手裝置，且在泵耑蓋、後蓋的底部設置有吸附裝置。
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This baby slipper lobster, found during a Census of Marine Life expedition, is completely transparent, though as the creature grows, a thick shell will cover it.
在一次海洋生物普查遠征時發(fā)現(xiàn)的嬰兒版滑板龍蝦，盡琯它成長的時候會包著一層厚厚的外殼，但它仍是完全透明的。

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It might just be a cover for their secretive shell game.
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