case-bonded grain 壁结药柱
case bonded motor 壳体黏结发动机
case bonded grain 壳体黏结式药柱
case-bonded casting 贴壁浇注
case bonded propellant grain 壳体粘接药柱
bonded case of seal 黏结的油封壳体
adhesive-bonded rocket case 粘合的火箭壳体
Article 27 in the case of urgent need for processing of export goods, the operating enterprise may, upon ratification of the customs, interchange bonded materials with non bonded materials.
第二十七条因加工出口产品急需，经海关核准，经营企业保税料件与非保税料件之间可以进行串换。
So let's take the case of acetylene where we have two carbon atoms that are going to be triple bonded to each other, each are bonded to a carbon and then to one hydrogen.
让我们来看一看乙炔的例子，我们有两个碳原子，成三键，每个碳和一个碳一个氢相连。
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