基本解釋鑿井英漢例句雙語例句This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft.在立井井筒建設(shè)中,我們在原設(shè)計的基礎(chǔ)上,對箱形永久鋼井架鑿井的實際方法作了改進。Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.當你考試考砸的時候,你的胃會垂下去,或者說,會有胃部下垂的感覺原聲例句Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.當你考試考砸的時候,你的胃會垂下去,或者說,會有胃部下垂的感覺耶魯公開課 - 死亡課程節(jié)選pit sinking更多例句詞組短語短語foundation by pit sinking 沉井基礎(chǔ)fight against sinking pit 跌窩搶險pit sinking更多詞組專業(yè)釋義能源科學技術(shù)鑿井