There are many good automatic, semiautomatic, and hand feeding devices available commercially.市场上已有许多优良的自动 、 半自动和手工饲喂装置出售.Manual control or electric control of pressure , time , temperature or semiautomatic control.操作采用手...
The two wrestlers grappled together.两个摔交手扭在一起.The thug grappled him around the neck.那个歹徒抓住了他的脖子.Passers-by grappled with the man after the attack.袭击之后过路人便与这男人扭打起来。They grappled desperately for control of the weapon.他们疯狂扭...