?调节旋钮

... 但是只要他认真起来后就一定要去做到。 ? But as long as he got up to go do it. 调节旋钮 ? Adjustment knob 得到和失去 ? Gain and loss ...

?调节轮

调节轮 ( Adjustment knob )：位于镜柱上，可调整载物台的升降，具 有调节焦距的功能。本显微镜具有粗、细两个 调节轮 。

[机]?调整旋钮

... adjusting knob 调节钮; 调节旋钮; 调整旋钮 adjustment knob 调整旋钮 angle knob 弯角钮 ...