常見例句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.本電磁閥自帶的過濾器無需拆卸管子即可非常方便的清洗,只需用手擰下螺帽,拔除塑料濾片即可清洗。 返回 unscrewing