His reading is slowed down by a string of new words.
一连串的生词使他的阅读速度慢了下来。
And it boils down to modifying the format string with just a simple number.
它归结于是用一个简单的数字来，修改字符串的格式。
When the well is shut-in, a plunger is dropped down the production string.
当关井时，柱塞沿生产管柱向下降落。
When the well is shut-in, a plunger is dropped down the production string.
当关井时，柱塞沿生产管柱向下降落。
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