Use a wire sling of a greater S. W. L whenever the exact weight of the load is unknown or there is a hazard to personnel.
当无法确定载荷的准确重量或对人员存在危险时，使用大于安全工作负荷的钢丝绳。
The results showed: fire could produce unfavorable effects on the shoot development of L. chinensis, restrain the height, and decrease the dry weight per shoot.
结果表明，火烧不利于羊草种群枝条的生长发育，抑制羊草的生长高度，降低其单枝干重。
The statistic result indicated that the dry weight of buds and stamens of male sterile lines in B. napus L. are much smaller than the control group while the pistils are much larger.
结果表明，干物质重量雄性不育系花蕾和雄蕊显著小于保持系，而雌蕊则明显大于保持系。大多数不育系雌雄蕊的发育曲线存在拐点，它们出现拐点的时期相同，但方向完全相反。
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