bright-banded coal

bright-banded coal的基本解释

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亮煤

与bright-banded coal相关的网络例句 [注：此内容来源于网络，仅供参考]

About 100 years ago, coal miners would take a bright yellow canary down into the mines with them. The miners wanted to hear the bird's sweet song, but not for the reason you might think.

大约100年前，煤矿工人下煤矿的时候都会随身带一只黄色的金丝雀，他们希望小鸟能唱出甜美的歌声，但并不像你想象的那样。

Flame observation: If it shown yellow in flame cone, blue around, and the opposite wall could be seen through peep hole, that means the blending ratio of air and coal gas is ok. If air excess, it shown sky blue, bright, and the wall of combustion chamber could be seen clearly but dulling. If coal gas excess, it shown dark red, muddiness, and the wall of combustion chamber could be seen hardly.

1火焰观察：从窥视孔观察燃烧室火焰，如果火焰中心呈黄色，四周微蓝，透明，清晰可见燃烧室对面砖墙，则为空气煤气配比合适；如果空气量过多，则呈天蓝色，明亮耀眼，燃烧室砖墙清晰可见，但发暗；如果煤气量过多，则呈暗红，混浊不清，难见燃烧室砖墙。

The host produces: The wedge type gate valve, the bright pole coal gas gate valve, the gate valve, the electrodynamic balance-like double damper plate gate valve, the box thread gate valve, the bright pole underground gate valve, the electrically operated dark pole wedge type gate valve, seals the gate valve, the knife gate valve, the cut-off valve, the box thread cut-off valve (Japanese-style, Soviet type), to turn on lathe softly opens the type check valve, to risefall the check valve, the noise elimination check valve, to clamp the small dish shape check valve, the vertical check valve, to stand lies the dual purpose check valve, the small dish shape by-pass valve, the by-pass valve, the stopcock, the Three Contacts stopcock, the plunger valve, the ball valve, the flange reed valve.

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与bright-banded coal相关的网络解释 [注：此内容来源于网络，仅供参考]

Bridgman growth：布式法

bridging 桥联 | Bridgman growth 布式法 | bright coal 亮煤

Bright Dip：辉面浸渍

bright coal 辉煤 | bright dip 辉面浸渍 | bright etching 光亮蚀刻

medium grained：中粒的

中亮度暗煤 medium-bright attritus | 中粒的 medium-grained | 中挥份烟煤 medium-volatile bituminous coal