English translation for "head valve (or delivery valve)"
输出阀
Related Translations:
delivery: n.1.引渡,交付;【商业】交货;【法律】正式让渡。2.运送;投递;传送。3.分娩。4.陈述,讲演;口才。5.【棒球】投球。6.救助;释放。短语和例子the means of delivery 发射工具。 an express delivery 快信,快件。 the two o'clock delivery 两点钟投递的邮件。 aerial delivery 空投。 eas