弹簧: spring; mechanical spring对中: centring的: 4次方是 The fourth power of 2 i ...弹簧对中的方向控制阀: spring centered direction control valve; spring-centered direction control valve对中的: inline对中弹簧: centralizing spring自对中心弹簧盒: centring spring case对中: [工业] centring直流分量对中的谱的反操作: ifftshift不对中: malalignment; misalignment场对中: field alignment对中杆: centering rod; centeringrod对中规: alignment gauge对中辊: centring roller对中件: centering piece对中链: centering chain对中器: centraliser; centralizer对中线: centering对中心: alignment; centering; centre align轴对中: shaft alignment弹簧: spring; mechanical spring◇弹簧秤spring balance; spring scale; 弹簧床 spring bed; 弹簧刀 spring tool; 弹簧钢 spring steel; 弹簧钢板 steel spring plate; 弹簧减振器 spring absorber; 弹簧铰刀 spring reamer; 弹簧铰链 spring hinge; 弹簧卷尺 spring wind tape; 弹簧扩张器 spring expander; 弹簧拉力表 spring dynamometer; 弹簧门 swing door; 弹簧片 spring lamination; 弹簧卡盘 split chuck; 弹簧卡钳 spring caliper; 弹簧伞 spring-loaded umbrella; 弹簧锁 [木] rim lock; night latch; snap- lock; spring lock; 弹簧小刀 flick-knife; 弹簧心夹 spring center clamp; 弹簧座圈 spring- leaf retainer中的: hit the target; hit the mark; hit the nail on the head 批驳有力, 句句中的。 the refutation is forceful and every word hits home不成对中子: unpaired neutron场调整 场对中: fieldalignment垂直对中: vertical centering