您要查找的是不是：
- tracer tracing valve 仿形阀, 随动阀, 伺服阀
- An electrically produced graph or tracing. 电示图以电制作的图表或映描图
- Have you turned off the water valve? 你关掉水阀了吗？
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- A record or tracing produced by a plethysmograph. 体积描记图由体积描记器作出的记录或轨迹
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- This solute will be referred to as a tracer. 这种溶质称为示踪剂。
- A faint or fleeting indication; a trace. 模糊的暗示模糊的或一闪即逝的暗示; 迹象
- The tracer becomes increasingly dispersed. 示踪剂逐渐地扩散。
- The country woke from her trace of two hundred years. 这个国家在沉睡了200年之后觉醒过来了。
- Deletes tracer token history information. 删除跟踪令牌历史记录信息。
