回手熔接

【机】 backhand welding

回的英语翻译：

answer; circle; return; turn round
【医】 circumvolutio; convolution; gyre; gyri; gyrus; re-

手的英语翻译：

a bunch of fives; a person doing a certain job; fist; hand; handy; hold; manus
mauley; pud
【医】 cheir-; cheiro-; chir-; chiro-; hand; main; manus

熔接的英语翻译：

【化】 heat sealing