| 释义 |
breech·block 英ˈbriːtʃˌblɒk美ˈbritʃˌblɑkAHDbrēchʹblŏk' COCA³¹⁵¹¹¹⁺⁴
基本英英搭配记法例句
n.闩体尾栓⁶⁴;螺体³⁶复数breechblocks
Noun:
a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firingbreechblock bushing炮闩轴衬
breech-block块⇒n.闩体尾栓⁶⁴;螺体³⁶ By calculation and experiment, the limiting wearing angle of breechblock of several kinds of gun is got.
通过计算与实验求出了部分火炮炮闩安全极限磨损角； cnki |