Each pellet was placed in the end of a shotshell in place of the regular powder charge and primer . 每个点火药片放在实验弹的一端，代替正式的火药和击发药。
So there will be no loss whatever of gas all the expansive force of the powder will be used . 这样就不会损失一点气体，而火药全部的膨胀力就都变成推动力了。
When the bead has cooled on the metal sheet transfer it to a mortar and grind to a fine powder . 当球珠已在金属板上冷却，把它转移到一个研钵里，研磨成细粉。
When the bead has cooled on the metal sheel transfer it to a mortar and grind to a fine powder . 当球珠已在金属板上冷却，把它转移到一个研钵里，研磨成细粉。
The soft powder fired at high temperature until the ceramic particles melt and coalesce to form a glaze . 松软的粉末在高温下烧结，陶土粒子即溶结成一层瓷釉。
Could you stop at the supermarket on your way home and get some baking powder , coffee and butter for me ? 能否请你回家的路上在超级市场停一下，替我买些发酵粉，咖啡和奶油？
Smokeless powder refers to colloided nitrocellulose either alone or in admixture with nitroglycerin or other material . 无烟药是指单独的胶质硝化棉或与硝化甘油和其它物质形成的混合物。
The word "grain" is an old ordnance term for explosive powder or even for blocks of cast powders or crystals . 药柱这个词是用于炸药或者甚至用于浇注火药块或晶体块的一个古老的军械术语。
Some of the females had tried to conceal the ravages of vice and dissipation by coating their faces with powder and paint . 有些女人涂脂抹粉想掩盖那由于作恶多端和行为放荡而留下的痕迹。
