德国双心（Doppelherz）始创于1919年，致力于从纯天然原材料中开发和研制高品质营养产品。 [1]
在生态学家看来，《大双心河》描写的是尼克重返自然的朝圣过程。
In the eyes of ecologists, Big Two-Hearted River is an account of Nick's pilgrimage toward nature.
目的评价双心腔起搏对肥厚梗阻性心肌病患者的远期疗效。
Objective To assess the long term results of dual chamber pacing in patients with hypertrophic obstructive cardiomyopathy(HOCM).
我公司可提供：金刚石钻头系列、双心钻头系列、取芯钻头、钢齿牙轮钻头系列、镶齿牙轮钻头系列等。
Our company can supply: Diamond bit series, bi-center bit series, coring bit series, steel cone bit series, insert bit series, etc.
应用推荐