vacuum bag molding 真空袋成型 ; 真空袋模制法 ; 真空袋模制 ; 真空袋成形
vacuum bag 真空袋
vacuum bag sealer 真空封袋机
Vacuum bag process 真空袋法法成型
Nylon Vacuum Bag 尼龙真空袋
vacuum-bag technique 真空袋模塑
vacuum bag moulding 真空袋成型
vacuum bag silo 真空袋青贮
Minimum weight and strength will be ensured by using a vacuum-bag construction.
最小重量和强度将确保使用真空袋建设。
George squatted on the toilet and peeped forth from his lair to watch her emptying the dust bag of her vacuum cleaner into the trash can.
乔治蹲在马桶上，从他的窝里探出头来，看着她把吸尘器上的尘袋倒进垃圾桶。
It pumps water out of tiny bag-like bladders, making a vacuum inside.
它把水从像袋子一样的囊状物里抽出来，使囊状物的内部形成真空状态。
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