... lead lanthanum zirconate titanate ==> 钛酸锆酸镧铅,钛酸锆酸镧铅,锆钛酸铅镧 lead layer ==> 铅层 lead limit switch ==> 引先限位开关,行程限位开关 ...
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各部位温度和挤出压力趋于恒定，保证铅层厚度均匀。
Equal lead thickness is assured by invariablenes temperature and pressure of extruding cylinder.
如果你的房子曾经刷过含铅的油漆，并且漆层还比较好，最好的方法是用新的不含铅的油漆覆盖旧的漆层，而不是去除老的含铅的漆层，因为这样做，铅尘反而排放到空气当中了。
If your old house has lead paint in good condition, cover it with fresh paint rather than removing it, which releases lead dust into the air.
星光已经不这么闪烁光亮，地平线上面笼罩着一层昏昏的铅状的薄雾。
Already the stars have lost some of their sparkle, and a dull, leaden mist 21 skirts the horizon.
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