词汇	nail-hammer
释义	nail-hammer 英'neɪlh'æmər美'neɪlh'æmərn.钉锤¹⁰⁰
随便看	proportional spectrometer proportional speed control proportional-speed-floating action proportional-speed-floating control proportional speed floating controller proportional speed floating regulator proportional spill valve proportional spring proportional stamp tax proportional stamp tax law Proportional Stock proportional strain proportional stream-interaction amplifier proportional subclass numbers proportional sub class numbers proportional sub-class numbers proportional system proportional tax proportional taxation proportional taxation system proportional tax rate proportional tax system proportional technology proportional temperature control proportional test bar