Facing head diameter 平旋盘直径
matrix head diameter 头部直径
valve head diameter 气门头外径
Cutter Head Diameter 刀盘直径
intake valve head diameter 进气门头直径
exhaust valve head diameter 排气门头部直径
A mid-song sound that Dr Koren and Dr Geffen dubbed “chucks” communicates size (body length and head diameter) and also level of stress (as measured by cortisone levels).
另一种被柯仁博士和吉芬博士冠以“男中音”的咯咯咯咯的声音则向他们的求偶对象传递着它们的体型(包括身长和头寸),同时也传达着他们的努力程度(这种努力程度是通过肾上腺皮质酮的水平来衡量的)。
Kingfishers wedge themselves into water with a streamlined beak that gradually increases in diameter from tip to head, letting water flow past.
翠鸟流线型的长喙从尖端到头部的直径是逐渐增大的,潜水时会让水流向身后。
One millimetre (or the diameter of the head of a pin) is equal to one-million nanometres.
1毫米(或一个大头针头部的直径)等于一百万纳米。
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