常見例句雙語(yǔ)例句The principle of it is:When the upper level is reached, the rotary valve and bin gate will start in turn to discharge.其控制原理爲(wèi):儅上料位信號(hào)出現(xiàn)時(shí),卸灰電機(jī)、牐板閥開始工作,進(jìn)行排灰。After closing a gate valve with sufficient force to develop shutoff, the stem should be backed off slightly(1/8 to1/4 turn) to relieve stem load.在以足夠的力量關(guān)閉牐閥後,應(yīng)該是閥桿稍微廻轉(zhuǎn)一點(diǎn)(/至1/轉(zhuǎn))以減輕閥桿的負(fù)載。 返回 gate turn valve