对: answer; reply心: the heart碰: touch; bump对心碰撞: central collision; central impact; centrical impact中心冲击 对心碰撞: centricalimpact对心: centeringspring心对心: heart to heart当心碰脑袋: mind your head当心碰脑袋!: Mind your head.当心碰头: mind your head当心碰撞: beware of collisions偏心碰撞: eccentric collision; eccentric impact; off center impact小心碰头: mind your head/watch your head; warning： head injury， low shelves; watch your head/mind your head刀片对心: knife register; sickle register刀下对心: sickle register对心[定心]弹簧: centeringspring对心弹簧: centring spring; spring centering对心法兰: centring flange对心误差: centering error; error of centering对心眼儿: suit one down to the ground对心装置: centering device镜片对心座: aligning chuck绝对心浊音: absolute cardia dullness; absolute cardiac dullness; acd铅笔对心: centering of pencil切割器对心: knife register
