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4 年
【寻味胆管】寻味Mullard
Mullard生产的电子管,在管身下部靠近管脚或管基的地方都蚀刻上两排独特的log code,也就是我们常说的暗码,由于早期电子管瓶身上印刷的商标和型号使用的是白色粉质的材料,手指捏或者擦抹极易脱落,而暗码则不易被擦除,所以有些型号完全脱落的“光身 ...
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今日热点
Trump declares victory
Trump wins Pennsylvania
GOP wins Senate majority
First trans Congress member
Wins Ohio Senate race
FL abortion amendment fails
Ted Cruz wins reelection
‘I’m not proud of it’
US soldier dies of injuries
Charged w/ punching judge
Singer Tyka Nelson dies
Bernard Marcus dies
Jim Justice wins WV
Power grid attack plot foiled
Extends political ad ban
Starts air drone deliveries
No DOJ poll watchers in TX
Discounted rides to vote
US trade deficit widens
MO poll watchers allowed
Service sector accelerates
Fires defense minister
Launches resupply mission
Ordered to appear in court
9/11-style attack conviction
Europe offices raided
Wooden satellite takes off
NK fires ballistic missiles
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