查询词典 pin

pin point target：针点状目标,小面积目标

pin-point photograph 针点状目标象片,定点摄影,定点照相 | pin-point target 针点状目标,小面积目标 | Pioneer spacecraft "先驱者"号飞船

pin rack：挽索插栓架

Pilstick engine 皮尔斯蒂克发动机 | pin rack 挽索插栓架 | pin bolt 销钉带销螺栓

double pin sucker rod：两头阳螺纹的抽油杆

double pin sub 两头阳螺纹接头 | double pin sucker rod 两头阳螺纹的抽油杆 | double pipe longitudinal finned exchanger 套管式纵向翅片管换热器

connecting rod pin：活塞销

connecting rod nut;连杆螺母 | connecting rod pin;活塞销 | connecting rod pin bearing;连杆销轴承

pin setter：整瓶器

pinfall一次投球击倒瓶数 | pin setter 整瓶器 | pin spot 球瓶标示点

valve pin missing：气门芯遗失

valve parameter 电子管参数 | valve pin missing 气门芯遗失 | valve pin 阀销

internal pin wheel：内齿针齿轮

外齿针齿轮 external pin wheel | 内齿针齿轮 internal pin wheel | 外摆线的等距曲线 equidistant curve of epicycloid

pitch factor：节距因数

pin insulator; pin type insulator 针型绝缘体 | pitch factor 节距因数 | planar electrode tube 平面电极管

grooved taper pin：带槽锥形销

grooved taper pin 带槽锥形槽 | grooved taper pin 带槽锥形销 | grooved weld 槽焊

grooved taper pin：带槽锥形槽

grooved pulley 三角皮带轮 | grooved taper pin 带槽锥形槽 | grooved taper pin 带槽锥形销

Musculus semispinalis：半棘肌

半奇静脉;下半奇静脉 - Vena hemiazygos | 半棘肌 - Musculus semispinalis | 右肺 - Pulmo sinister

bed：abbr. brother of death; 睡眠

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