Interior transistor cells, but not the peripheral transistor cells, each further include a source region of the first conductivity type in the body region adjacent to the trench.

每个内部晶体管单元(不是外围晶体管单元)还包括第一导电型的源区，其位于与凹槽相邻的体区中。

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After a foundation trench is excavated, a ship is located by riprapping to form the foundation bed, and the foundation bed is leveled by a platform type foundation bed riprapping leveling ship.

基槽开挖后，船舶定位抛石成基床，用平台式基床抛石整平船将基床整平。

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The key was not to try to dig a Suez-type of canal, a great sea-level trench from ocean to ocean, but to create a lock-and-lake canal, where the ships are lifted up by a series of locks to a man-made lake, and then they sail across that lake, and then they are set back down on the other side by another series of locks.

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