常見例句雙語例句The simplest way is to feel the tip of the welding torch by hand to check whether gas is following out, if not, check the torch for blockage.最簡(jiǎn)單的檢查是否有氣體送出的方法是用手去感覺焊槍的噴嘴是否有氣體流出，檢查焊槍的氣路是否堵塞。baike.china.alibaba.comA computation program has been developed, using a two dimension boundary element method, for calculation of stress strength factor at the welding crackle tip.反映裂紋尖端附近區(qū)域應(yīng)力場(chǎng)強(qiáng)度的物理量稱為應(yīng)力強(qiáng)度因子。它和裂紋大小、形狀以及外應(yīng)力有關(guān)。If a current with proper intensity has been switched on, the goal of controlling the melting and welding dimension effectively around the crack tip can be obtained.文中給出的算例表明，適當(dāng)控制通入的電流強(qiáng)度，可以達(dá)到有效控制裂尖熔化區(qū)尺寸以及形成焊口的目的。 返回 welding tip