He's on more solid footing though when he reports that two kinds of mountings were tried to affix a bayonet to a musket; ring mounting and a socket bayonet.
不过，在描述刺刀固定方式的时候，他就有理有据多了——以前，人们曾经尝试用两种方式将刺刀固定到火枪上：附环固定以及插座式刺刀。
Socket for mounting and electrically connecting our 8 pin timer relays. DIN rail or screw mountable.
这款继电器插座可安装和链接8针继电器。
This standard does not cover requirements for flush mounting boxes: however, it covers only those requirements for surface-type mounting boxes which are necessary for the tests on the socket-outlet.
本标准不涉及暗装式安装盒的要求。它只包括插座试验所必须的明装式安装盒的要求。
应用推荐