正弦规

1.	sine bar ... 薄膜式气动量仪 Membrane type pneumatic measuring instrument 正弦规 Sine bar 铸铁平板 Cast iron surface plate ... www.stdbook.org\|基于65个网页
2.	Sine bars ... 齿厚游标卡尺 Gear tooth vernier callipers 正弦规 Sine bars 带示值千分尺 Indicating micrometers ... www.bxkj-standards.org\|基于53个网页
3.	sine gauge 1 2 3 4 5 ... 正弦电流计^ sine galvanometer 正弦规^ sine gauge 正弦电位计^ sine potentiometer ... www.swmfanyi.com\|基于20个网页