Subsequently the charging shaft must be latched to top dead centre with the charged closing spring (Fig. 15).
随后，储能轴和已储能的合闸弹簧停在上中心点位置(图15)。
It may seem obvious, but the most essential skill a good snooker player can have is to be able to hit the cue ball dead centre.
虽然看似是显而易见的，但优秀的斯诺克选手可以掌握的最重要技能还是那种可以直击主球球心的能力。
One soldier's visor stopped a piece of shrapnel that hit dead centre, " he said. "If he had not had that suit on, the effects could have been catastrophic.
“一位士兵靠衣服的护面铠甲挡住了正中头部的一块弹片”他说，“如果他没穿这件衣服，那么后果是灾难性的。”
The yellowish centre contains bacteria, sebum and dead skin cells.
黄色的中心含有细菌，皮脂和死亡的皮肤细胞。
The first sensor monitors the camshaft position delivering one pulse per revolution which corresponds to the top-dead-centre (TDC) position of one of the pistons.
第一个传感器用来监视每次旋转时释放一次脉冲的机轴位置，该位置相当于某一活塞上止点的位置。
The first sensor monitors the camshaft position delivering one pulse per revolution which corresponds to the top-dead-centre (TDC) position of one of the pistons.
第一个传感器用来监视每次旋转时释放一次脉冲的机轴位置，该位置相当于某一活塞上止点的位置。
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