基本解釋試驗(yàn)旋塞英漢例句雙語(yǔ)例句If it slowly drops and does not run out through Test Cock No. 2, then No. 2 ball valve has a small leak, but No. 1 check valve is tight.如果水柱慢慢下降，并且沒(méi)有從測(cè)試旋塞2號(hào)流出，則2號(hào)球閥有點(diǎn)泄漏，但是1號(hào)止回閥密封緊密。test cock更多例句詞組短語(yǔ)短語(yǔ)vent and test cock 放氣和試驗(yàn)旋塞water tank test cock 水箱驗(yàn)水閥water test cock 驗(yàn)水旋塞shuttle cock test 選球test cock更多詞組專業(yè)釋義機(jī)械工程試驗(yàn)旋塞