求翻译：先将塑壳两端与铝件两端对齐，确保塑壳内部的1个BOSS柱卡到铝件定位孔内，将两端压合好后，双手沿箭头方向依次将塑壳9PCS卡勾卡到铝件上是什么意思？

First molded case circuit at both ends with aluminum Justify ensure that the molded case circuit within a boss column card to the aluminum parts positioning hole, both ends of the pressure Hao, his hands along the direction of the arrow in turn molded case 9pcs card hook card to the aluminum parts

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Will model the shell both sides and the aluminum both sides first to uneven, will guarantee models the shell interior 1 BOSS column card to the aluminum index hole in, after will press fit the both sides, both hands will model the shell 9PCS trip card in turn along the arrow direction to the aluminu

First molded on both sides with aluminum pieces justify, make sure that inside the plastic shell 1 BOSS column cards to aluminum in locating hole, when pressing on both sides, his hands along the direction of the arrow molded 9PCS card check card in turn on the aluminum parts

正在翻译，请等待...