胎头取出器 fetal head extractor
探头取向 probe orientation
桥头取代 Briddgehead displacement
多镜头取景器 multiple finder
通过镜头取景 Through The Lens ; TTL
截头取音法 acrophony
取样探头 Sampling probe ; probe ; sample probe
猴头提取物 monkey-head mushroom extract ; head mushroom extract
取芯钻头 coring bit
取景镜头 takes ; viewing lens ; lanscape lens ; [摄] finder lens
该方法以计数器法测取脉冲的主体宽度，用时间-电压转换法测取脉冲的零头时间，并以此作为量化误差的校正值。
In this method the main part of the pulse width is measured by counter, and the odd of the pulse width is measured by time-voltage conversion method.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
在链式卸船机垂直取料头的设计中，参数选择非常麻烦。
During the design of vertical suction, it is troublesome to choose the parameters.
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