您要查找的是不是：
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- shield cutterhead 盾构刀盘
- He lied to the court to shield his friend. 他对法庭说谎以包庇自己的朋友。
- The sword glanced off the shield. 剑擦过盾牌。
- A pad or shield of cloth worn over an eye socket or an injured eye. 护眼片，眼罩带在眼窝或受伤的眼上的垫子或布片
- A pair of horizontal parallel lines drawn across a shield. 盾形纹章上的横条纹画在盾形纹章上的两条水平的平行线
- As for cutter suction dredge, the cutterhead ... 对采至船上的砂锡矿,用单一的跳汰分选工艺选矿。
- This car polish is an effective shield against rust. 这种汽车上光蜡很有防锈作用。
- Motorcyclists must wear helmets to shield them from injury. 摩托车手必须戴头盔保护自己免受伤害。
- The shield protected him from the blows of his enemy. 这盾牌保护他免受敌人的打击。
- A shield placed to protect an object from the wind. 风挡为防止一个物体受风吹而安置的保护物
- In the course of digging, a main bearing seal at the cutterhead of AVN3080 water leak type shield construction machine made in Germany was damaged. 摘要德制AVN3080漏水平衡式盾构机在掘进过程中，刀盘主轴承密封损坏，对此提出3种修复方案。
- A shield or shield-shaped emblem bearing a coat of arms. 盾状徽章表层带有武器的盾或盾状徽章
- As tunneling and cutting equipment of a shield machine,the cutterhead can excavate stratum,stabilize excavation face,mix soil slag, etc. 刀盘是机械化盾构机的掘削机构,具有开挖地层、稳定开挖面、搅拌渣土等功能,并承受大扭矩、大推力和冲击载荷的作用,其工作状况非常恶劣。
- Remove exhaust heat shield from down pipe. 从下行管拆卸排气隔热罩。
- She lied to the police to shield her friend. 她为了庇护朋友而向警察撒谎。
- Having four sections. Used of a shield. 有四层的，用来指盾牌
- It could then have served as a trusty shield. 它就可以成为一个可靠的屏障。
- Tom used a shield to protect him from injury. 汤姆用一面盾保护自己不受伤害。
- He told a lie to shield his brother. 他撒谎以庇护他的兄弟。
