这些手段包括：那些随着进口的激增或衰退而突然出现或消失的“保护措施”；各种表面上是为了阻止病虫害进入的令人困惑的卫生和“防疫”标准。
These include "safeguards" which pop up and down as imports surge and recede, and a bewildering array of sanitary and "phytosanitary" standards aimed ostensibly at keeping out pests and disease.
这些手段包括：那些随着进口的激增或衰退而突然出现或消失的“保护措施”；各种表面上是为了阻止病虫害进入的令人困惑的卫生和“防疫”标准。
These include “safeguards” which pop up and down as imports surge and recede, and a bewildering array of sanitary and “phytosanitary” standards aimed ostensibly at keeping out pests and disease.
采用进口预浸布作为原材料，槽线与管体二次固化整体成型，表面光洁度和力学性能优异。
Using Imported Prepreg as the Raw Material, the Second Overall Compression Molding for External Trough Line and the Tube, Excellent Surface Finishment and Mechanical Performance.
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