经过适当的渗透处理后，它是一种性能优越的半导体，而且它的原料——沙子——几乎不存在供应短缺的状况。
Appropriately doped, it is an excellent semiconductor and its raw material, sand, is hardly in short supply.
所有的原料都是充分考虑到使用者选的，这样我们就能帮助你改变状况。
All of our ingredients have been chosen with you in mind — to aid and support you with this condition.
随着安琪酵母公司的大力推广，酵母抽提物作为一种安全的食品原料已在行业内呈现供不应求的状况。
With the promotion of Angel yeast, the yeast extract has been in short supply in the industry as a safe food raw material.
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