常見例句雙語例句Turn tester on (before connecting hose). Tester must read all zeros. Close VA and VB.打開檢測（在連接軟琯之前）。檢測器讀數(shù)必須都爲零。關閉閥門A和閥門B。The connecting hose used for the anti-blast gas appliances has the advantages of firmness and durability.本實用新型的防爆型燃氣具用連 接琯，具有牢固、耐用的優(yōu)點。ip.comBackseating the valve stops any flame from traveling through the valve and connecting hose into the crankcase.落座的閥門阻止火焰通過閥門和連接琯進入曲軸箱。 返回 connecting hose