技術(shù)參數(shù)
1.黃銅主體，抗磁性高 Brass body,high diamagnetic property.
2.表圈轉(zhuǎn)動圈為金屬外圈 Adjustable steel dial ring.
3.寶石軸承，機(jī)芯防震 Jeweled and shock proof.
4.測桿傳動采用滾珠軸承結(jié)構(gòu) The measuring rod transmission adopts ball bearing construction.
5.三處燕尾槽 With three dovetail slots.
