查询词典 double amplitude

double roller chain coupling：双辊链式联轴节

double roll slag-crusher 双辊碎渣机 | double roller chain coupling 双辊链式联轴节 | double roller mixer 双辊拌和机

double perforation cine film：双孔电影胶片

double pedestal desk 双排抽屉写字台 | double perforation cine film 双孔电影胶片 | double pick 双嘴镐

double color wheel：双色轮

double coil nest spring 双卷圆簧组 | double color wheel 双色轮 | double phase 两相

double expansion steam engine; compound engine：双膨胀蒸汽机

两端剪 double end shear | 双膨胀蒸汽机 double expansion steam engine; compound engine | 人字齿轮 double helical gear

double concave lens：双凹透镜

双[光]束紫外线光谱仪 double-beam ultraviolet spectrophotometer | 双凹透镜 double-concave lens | 双凸透镜 double-convex lens

double concave lens：雙凹面透鏡 = 雙凹透鏡

double adiabatic approximation 雙緩漸近似= 浸漸絕熱近似 | double concave lens 雙凹面透鏡 = 雙凹透鏡 | double convex lens 雙凸面透鏡 = 雙凸透鏡

double continuous curve：正弦曲线

double contact key 双触键 | double continuous curve 正弦曲线 | double contraction 双重收缩

double convex lens：双凸透镜

双凹透镜 double-concave lens | 双凸透镜 double-convex lens | 交直流发电机 double-current generator

double convex lens：雙凸面透鏡 = 雙凸透鏡

double concave lens 雙凹面透鏡 = 雙凹透鏡 | double convex lens 雙凸面透鏡 = 雙凸透鏡 | double galaxy 雙重星系

double convex lens：双凸透镜进出口货物名称中英对照

double convex glass 双凸玻璃 | double convex lens 双凸透镜进出口货物名称中英对照(101) | double convex ring 双凸环

cold-work mould steel：冷作模具钢

oxidation-resistant steel抗氧化钢 | cold-work mould steel冷作模具钢 | gauge and cutter steel量具刃具钢

Rise and fall saw：升降锯

rise-and-fallpendant升降吊灯 升降压吊灯 | rise-and-fall-saw升降锯 | risedcosine上升余弦