常見(jiàn)例句The built-in filter of a solenoid valve can be cleaned without dismantling its sleeve, but simply unscrewing its nut to pull out the plastic filtering plate.本電磁閥自帶的過(guò)濾器無(wú)需拆卸管子即可非常方便的清洗，只需用手?jǐn)Q下螺帽，拔除塑料濾片即可清洗。 返回 unscrewing