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单词
难保
释义
难保
难保
[nán bǎo]
1.
■
cannot say for sure; difficult to ensure:
明天难保不下雨。
You can't say for sure that it won't rain tomorrow.
随便看
凸起锤 raising hammer;
凸起面 crowning;
凸轮
凸轮从动杆 cam follower lever;
凸轮从动滚轮销 cam follower pin;
凸轮仿形机床 cam forming and profiling machine;
凸轮传动装置 cam gear;
凸轮传动计数器 cam-operated counter;
凸轮冲击筛 Leaky screen;
凸轮减速装置 cam reduction gear;
凸轮分配机构 tappet gear;
凸轮制动器 cam brake;
凸轮加工车床 cam cutting lathe;
凸轮加速度 cam acceleration;
凸轮卡盘 cam chuck;
凸轮发动机 cam engine;
凸轮后侧机 back of cam;
凸轮回复弹簧 cam return spring;
凸轮回行机构 eccentric-motion reversing gear;
凸轮塑性计 cam plastometer;
凸轮夯实机 cam-ram machine;
凸轮定时阀 tappet valve;
凸轮开关 cam switch;
凸轮控制机构 cam control gear;
凸轮推杆滚柱 cam follower roller;
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更新时间:2025/3/10 17:22:22