叶面蒸散力指数
index of foliar transpiring power
蒸散力指数
index of transipring power
波登-舍费尔压力-真空表
Bourdon and Schaffer pressure vacum gauge
波登压力真空计
Bourdon pressure vacuum gage
单活塞压力真空计
single piston pressure-vacuum gauge
非真正利他合同说
Statement of Not Really Altruism Contract
复合型压力真空计
compound pressure and vacuum gauge
汞[汽]扩散[真空]泵
mercury (vapor) diffusion (vacuum) pump
进油压力真空泵
oil feed pressure vacuum pump
绝对压力真空表
absolute pressure vacuum gauge
绝对压力真空计
absolute pressure vacuum gauge