In the greenhouse, by conducting pot and field experiments, the diagnosis method of crop moisture content from variable differential in stem diameter of tomato was studied.
在温室条件下，盆栽和小区试验相结合，进行了用番茄株茎直径变差法诊断其水分状况的试验研究。
Stem height, diameter and volume growth were measured at various ages up to that of 16 (or 7) in a Chinese Fir progeny test.
在杉木子代测定中，观测了各年到16年（或7年）的树高，胸径和材积生长。
Stem material, and strive to stainless steel stem (2cr13), large diameter valves also should be embedded in the package of stainless steel valve stem.
阀杆材质，力求不锈钢阀杆(2cr13)，大口径阀门也应是不锈钢嵌包的阀杆。
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